ci(deploy): Skip deployment for demo project.

2026-06-04 18:48:20 +08:00 · 2025-05-14 03:55:54 +08:00 · 2025-05-14 03:48:54 +08:00 · 2025-05-14 03:41:15 +08:00 · 2025-05-14 03:33:45 +08:00 · 2025-05-14 03:27:17 +08:00
135 changed files with 4449 additions and 1725 deletions
@@ -1,9 +1,3 @@
-# EasyConfiguration Javadoc
+# configured Javadoc

-基于 [Github Pages](https://pages.github.com/) 搭建，请访问 [JavaDoc](https://carmjos.github.io/EasyConfiguration) 。
-
-## 如何实现？
-
-若您也想通过 [Github Actions](https://docs.github.com/en/actions/learn-github-actions)
-自动部署项目的Javadoc到 [Github Pages](https://pages.github.com/) ，
-可以参考我的文章 [《自动部署Javadoc到Github Pages》](https://pages.carm.cc/doc/javadoc-in-github.html) 。
+Based on [Github Pages](https://pages.github.com/), please see [JavaDoc](https://carmjos.github.io/configured) 。
@@ -1,16 +1 @@
-# 欢迎使用 EasyConfiguration ！
-
-这个项目刚刚创建，详细的Javadoc与开发指南还在补充，请给我一点时间~
-
-
-## 基本定义
-
-Value: 实际配置的单例值。
-
-Manifest: 用于描述值基本配置的对象。
-
-Provider: 用于提供配置文件的接口。
-
-Wrapper: 用于包装配置文件的接口。
-
-Initializer: 用于初始化的接口
+# Documentation
@@ -1,54 +0,0 @@
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-
-# This workflow checks out code, performs a Codacy security scan
-# and integrates the results with the
-# GitHub Advanced Security code scanning feature.  For more information on
-# the Codacy security scan action usage and parameters, see
-# https://github.com/codacy/codacy-analysis-cli-action.
-# For more information on Codacy Analysis CLI in general, see
-# https://github.com/codacy/codacy-analysis-cli.
-
-name: "Codacy Security Scan"
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master ]
-  schedule:
-    - cron: '27 16 * * 5'
-
-jobs:
-  codacy-security-scan:
-    name: Codacy Security Scan
-    runs-on: ubuntu-latest
-    steps:
-      # Checkout the repository to the GitHub Actions runner
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      # Execute Codacy Analysis CLI and generate a SARIF output with the security issues identified during the analysis
-      - name: Run Codacy Analysis CLI
-        uses: codacy/codacy-analysis-cli-action@09916000460adeeedc96b9704f86deba53e2ad5d
-        with:
-          # Check https://github.com/codacy/codacy-analysis-cli#project-token to get your project token from your Codacy repository
-          # You can also omit the token and run the tools that support default configurations
-          project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
-          verbose: true
-          output: results.sarif
-          format: sarif
-          # Adjust severity of non-security issues
-          gh-code-scanning-compat: true
-          # Force 0 exit code to allow SARIF file generation
-          # This will handover control about PR rejection to the GitHub side
-          max-allowed-issues: 2147483647
-
-      # Upload the SARIF file generated in the previous step
-      - name: Upload SARIF results file
-        uses: github/codeql-action/upload-sarif@v3
-        with:
-          sarif_file: results.sarif
@@ -47,7 +47,7 @@ jobs:
        id: sitemap
        uses: cicirello/generate-sitemap@v1
        with:
-          base-url-path: https://CarmJos.github.io/EasyConfiguration
+          base-url-path: https://CarmJos.github.io/configured
          path-to-root: docs

      - name: "Output stats"
@@ -72,7 +72,7 @@ jobs:
        run: |
          cd docs
          git init
-          git remote add origin git@github.com:CarmJos/EasyConfiguration.git
+          git remote add origin git@github.com:CarmJos/configured.git
          git checkout -b gh-pages
          git add -A
          git commit -m "API Document generated."
@@ -1,3 +1,4 @@
-.idea/
+.idea/*
+!.idea/icon.svg
 **/target/
 **.iml
@@ -1,6 +1,7 @@
                   GNU LESSER GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007

+
 Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
@@ -1,26 +1,26 @@
-```text
-   ____                _____          ____                    __  _
-  / __/__ ____ __ __  / ___/__  ___  / _(_)__ ___ _________ _/ /_(_)__  ___
- / _// _ `(_-</ // / / /__/ _ \/ _ \/ _/ / _ `/ // / __/ _ `/ __/ / _ \/ _ \
-/___/\_,_/___/\_, /  \___/\___/_//_/_//_/\_, /\_,_/_/  \_,_/\__/_/\___/_//_/
-             /___/                      /___/
-```
+<div align=center>
+<img src=".doc/images/banner.png"  alt="Banner"/>
+
+[![version](https://img.shields.io/github/v/release/CarmJos/configured)](https://github.com/CarmJos/configured/releases)
+[![License](https://img.shields.io/github/license/CarmJos/configured)](https://www.gnu.org/licenses/lgpl-3.0.html)
+[![workflow](https://github.com/CarmJos/configured/actions/workflows/maven.yml/badge.svg?branch=master)](https://github.com/CarmJos/configured/actions/workflows/maven.yml)
+[![CodeFactor](https://www.codefactor.io/repository/github/carmjos/configured/badge)](https://www.codefactor.io/repository/github/carmjos/configured)
+![CodeSize](https://img.shields.io/github/languages/code-size/CarmJos/configured)
+![](https://visitor-badge.glitch.me/badge?page_id=configured.readme)

 README LANGUAGES [ [**English**](README.md) | [中文](README_CN.md)  ]
+</div>

-# EasyConfiguration
+# configured _(config framework)_

-[![version](https://img.shields.io/github/v/release/CarmJos/EasyConfiguration)](https://github.com/CarmJos/EasyConfiguration/releases)
-[![License](https://img.shields.io/github/license/CarmJos/EasyConfiguration)](https://www.gnu.org/licenses/lgpl-3.0.html)
-[![workflow](https://github.com/CarmJos/EasyConfiguration/actions/workflows/maven.yml/badge.svg?branch=master)](https://github.com/CarmJos/EasyConfiguration/actions/workflows/maven.yml)
-[![CodeFactor](https://www.codefactor.io/repository/github/carmjos/easyconfiguration/badge)](https://www.codefactor.io/repository/github/carmjos/easyconfiguration)
-![CodeSize](https://img.shields.io/github/languages/code-size/CarmJos/EasyConfiguration)
-![](https://visitor-badge.glitch.me/badge?page_id=EasyConfiguration.readme)
+<img src=".doc/images/logo-bg.svg" width="150px" alt="logo" align="right" style="float: right"/>

-**Easy _(to make)_ Configurations!**
+_**"Once set, Simple get."**_

-A simple, easy-to-use and universal solution for managing configuration files.
-Enjoy the ease of use with customizable formats for loading, reading, and updating your configuration files.
+A simple, easy-to-use and universal solution for managing, loading, reading,
+and updating configuration files.
+
+Supported **JSON**, **YAML**, **Hocon**, **TOML**, **SQL**, **MongoDB**... and much more!

 ## Features & Advantages

@@ -35,13 +35,14 @@ format.

 ## Development

-For the latest JavaDoc release, [CLICK HERE](https://CarmJos.github.io/EasyConfiguration).
+For the latest JavaDoc release, [CLICK HERE](https://CarmJos.github.io/configured).

 For a detailed development guide, [CLICK HERE](.doc/README.md).

-### Code Samples
+### Preview

 To quickly demonstrate the applicability of the project, here are a few practical demonstrations:
+
 - [Database configuration.](demo/src/main/java/cc/carm/lib/configuration/demo/DatabaseConfiguration.java)
 - [Demonstration of all types of configuration instance classes.](demo/src/main/java/cc/carm/lib/configuration/demo/tests/conf/DemoConfiguration.java)

@@ -49,6 +50,7 @@ Check out all code demonstrations [HERE](demo/src/main/java/cc/carm/lib/configur
 For more examples, see the [Development Guide](.doc/README.md).

 ```java
+
@ConfigPath(root = true)
@HeaderComments("Configurations for sample")
 public interface SampleConfig extends Configuration {
@@ -95,9 +97,9 @@ public class Sample {
        // 2. Initialize the configuration classes or instances.
        holder.initialize(SampleConfig.class);
        // 3. Enjoy using the configuration!
-    System.out.println("Enabled? -> " + SampleConfig.ENABLED.resolve());
+        System.out.println("Enabled? -> " + SampleConfig.ENABLED.resolve()); // true
        SampleConfig.ENABLED.set(false);
-    System.out.println("And now? -> " + SampleConfig.ENABLED.resolve());
+        System.out.println("And now? -> " + SampleConfig.ENABLED.resolve()); // false
        // p.s. Changes not save so enable value will still be true in the next run.

        System.out.println("Your name is " + SampleConfig.INFO.NAME.resolve() + " (age=" + SampleConfig.INFO.AGE.resolve() + ")!");
@@ -148,9 +150,9 @@ info:

        <repository>
            <!-- Using GitHub dependencies for real-time updates, configuration required (recommended). -->
-            <id>EasyConfiguration</id>
+            <id>configured</id>
            <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/CarmJos/EasyConfiguration</url>
+            <url>https://maven.pkg.github.com/CarmJos/configured</url>
        </repository>

    </repositories>
@@ -169,7 +171,7 @@ info:
        <!-- Basic implementation part, requiring custom implementation of “Provider” and “Wrapper”. -->
        <dependency>
            <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
            <version>[LATEST RELEASE]</version>
            <scope>compile</scope>
        </dependency>
@@ -177,7 +179,7 @@ info:
        <!-- YAML file-based implementation, compatible with all Java environments. -->
        <dependency>
            <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-yaml</artifactId>
+            <artifactId>configured-yaml</artifactId>
            <version>[LATEST RELEASE]</version>
            <scope>compile</scope>
        </dependency>
@@ -185,7 +187,7 @@ info:
        <!-- JSON file-based implementation, compatible with all Java environments. -->
        <dependency>
            <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-gson</artifactId>
+            <artifactId>configured-gson</artifactId>
            <version>[LATEST RELEASE]</version>
            <scope>compile</scope>
        </dependency>
@@ -208,7 +210,7 @@ repositories {
    mavenCentral()

    // Using GitHub dependencies for real-time updates, configuration required (recommended).
-    maven { url 'https://maven.pkg.github.com/CarmJos/EasyConfiguration' }
+    maven { url 'https://maven.pkg.github.com/CarmJos/configured' }

 }
 ```
@@ -223,13 +225,13 @@ repositories {
 dependencies {

    // Basic implementation part, requiring custom implementation of “Provider” and “Wrapper”.
-    api "cc.carm.lib:easyconfiguration-core:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-core:[LATEST RELEASE]"

    // YAML file-based implementation, compatible with all Java environments.
-    api "cc.carm.lib:easyconfiguration-yaml:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-yaml:[LATEST RELEASE]"

    // JSON file-based implementation, compatible with all Java environments.
-    api "cc.carm.lib:easyconfiguration-gson:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-gson:[LATEST RELEASE]"

 }
 ```
@@ -240,7 +242,7 @@ dependencies {

 ### [**MineConfiguration**](https://github.com/CarmJos/MineConfiguration) (by @CarmJos)

-EasyConfiguration for MineCraft!
+configured for MineCraft!
 Easily manage configurations on MineCraft-related server platforms.

 Currently, it supports BungeeCord, Velocity, Bukkit (Spigot) servers,
@@ -254,7 +256,12 @@ Thank you for supporting open-source projects!

 Many thanks to Jetbrains for kindly providing a license for us to work on this and other open-source projects.

-[![](https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg)](https://www.jetbrains.com/?from=https://github.com/CarmJos/EasyConfiguration)
+[![](https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg)](https://www.jetbrains.com/?from=https://github.com/CarmJos/configured)
+
+Many thanks to [ArtformGames](https://github.com/ArtformGames) for their
+strong support and active contribution to this project!
+
+<img src="https://raw.githubusercontent.com/ArtformGames/.github/master/logo/logo_full.svg" width="317px" height="117px" alt="ArtformGames">

 ## Open Source License

@@ -1,29 +1,28 @@
-```text
-   ____                _____          ____                    __  _
-  / __/__ ____ __ __  / ___/__  ___  / _(_)__ ___ _________ _/ /_(_)__  ___
- / _// _ `(_-</ // / / /__/ _ \/ _ \/ _/ / _ `/ // / __/ _ `/ __/ / _ \/ _ \
-/___/\_,_/___/\_, /  \___/\___/_//_/_//_/\_, /\_,_/_/  \_,_/\__/_/\___/_//_/
-             /___/                      /___/
-```
+<div align=center>
+<img src=".doc/images/banner.png"  alt="Banner"/>
+
+[![version](https://img.shields.io/github/v/release/CarmJos/configured)](https://github.com/CarmJos/configured/releases)
+[![License](https://img.shields.io/github/license/CarmJos/configured)](https://www.gnu.org/licenses/lgpl-3.0.html)
+[![workflow](https://github.com/CarmJos/configured/actions/workflows/maven.yml/badge.svg?branch=master)](https://github.com/CarmJos/configured/actions/workflows/maven.yml)
+[![CodeFactor](https://www.codefactor.io/repository/github/carmjos/configured/badge)](https://www.codefactor.io/repository/github/carmjos/configured)
+![CodeSize](https://img.shields.io/github/languages/code-size/CarmJos/configured)
+![](https://visitor-badge.glitch.me/badge?page_id=configured.readme)

 README LANGUAGES [ [English](README.md) | [**中文**](README_CN.md)  ]

-# EasyConfiguration
+</div>

-[![version](https://img.shields.io/github/v/release/CarmJos/EasyConfiguration)](https://github.com/CarmJos/EasyConfiguration/releases)
-[![License](https://img.shields.io/github/license/CarmJos/EasyConfiguration)](https://www.gnu.org/licenses/lgpl-3.0.html)
-[![workflow](https://github.com/CarmJos/EasyConfiguration/actions/workflows/maven.yml/badge.svg?branch=master)](https://github.com/CarmJos/EasyConfiguration/actions/workflows/maven.yml)
-[![CodeFactor](https://www.codefactor.io/repository/github/carmjos/easyconfiguration/badge)](https://www.codefactor.io/repository/github/carmjos/easyconfiguration)
-![CodeSize](https://img.shields.io/github/languages/code-size/CarmJos/EasyConfiguration)
-![](https://visitor-badge.glitch.me/badge?page_id=EasyConfiguration.readme)
+# configured _(配置文件框架)_

-**轻松(做)配置！**
+<img src=".doc/images/logo-bg.svg" width="150px" alt="logo" align="right" style="float: right"/>
+
+**一次配置，轻松读取！**

 一款简单便捷的通用配置文件加载、读取与更新工具，可自定义配置的格式。

 ## 特性 & 优势

-支持 [YAML](impl/yaml), [JSON](impl/json), [HOCON](impl/hocon) 和 [SQL](impl/sql) 等多种配置文件格式。
+支持 [YAML](providers/yaml), [JSON](providers/gson), [HOCON](providers/hocon) 和 [SQL](providers/sql) 等多种配置文件格式。

 - 基于类的配置文件初始化、加载、获取与更新机制，方便快捷。
 - 支持复杂配置的手动序列化、反序列化。
@@ -32,19 +31,21 @@ README LANGUAGES [ [English](README.md) | [**中文**](README_CN.md)  ]

 ## 开发

-详细开发介绍请 [点击这里](.doc/README.md) , JavaDoc(最新Release) 请 [点击这里](https://CarmJos.github.io/EasyConfiguration) 。
+详细开发介绍请 [点击这里](.doc/README.md) , JavaDoc(最新Release)
+请 [点击这里](https://CarmJos.github.io/configured) 。

 ### 示例代码

 为快速的展示该项目的适用性，这里有几个实际演示：
+
 - [数据库配置文件实例](demo/src/main/java/cc/carm/lib/configuration/demo/DatabaseConfiguration.java)
 - [全种类配置实例类演示](demo/src/main/java/cc/carm/lib/configuration/demo/tests/conf/DemoConfiguration.java)

-您可以 [点击这里](demo/src/main/java/cc/carm/lib/configuration/demo) 直接查看现有的代码演示，更多复杂情况演示详见 [开发介绍](.doc/README.md) 。
-
-
+您可以 [点击这里](demo/src/main/java/cc/carm/lib/configuration/demo)
+直接查看现有的代码演示，更多复杂情况演示详见 [开发介绍](.doc/README.md) 。

 ```java
+
@ConfigPath(root = true)
@HeaderComments("Configurations for sample")
 public interface SampleConfig extends Configuration {
@@ -140,9 +141,9 @@ info:

        <repository>
            <!--采用github依赖库，实时更新，但需要配置 (推荐) -->
-            <id>EasyConfiguration</id>
+            <id>configured</id>
            <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/CarmJos/EasyConfiguration</url>
+            <url>https://maven.pkg.github.com/CarmJos/configured</url>
        </repository>

        <repository>
@@ -168,7 +169,7 @@ info:
        <!--基础实现部分，需要自行实现“Provider”与“Wrapper”。-->
        <dependency>
            <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
            <version>[LATEST RELEASE]</version>
            <scope>compile</scope>
        </dependency>
@@ -176,7 +177,7 @@ info:
        <!--基于YAML文件的实现版本，可用于全部Java环境。-->
        <dependency>
            <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-yaml</artifactId>
+            <artifactId>configured-yaml</artifactId>
            <version>[LATEST RELEASE]</version>
            <scope>compile</scope>
        </dependency>
@@ -185,21 +186,21 @@ info:
        <!--需要注意的是，JSON不支持文件注释。-->
        <dependency>
            <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-gson</artifactId>
+            <artifactId>configured-gson</artifactId>
            <version>[LATEST RELEASE]</version>
            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-hocon</artifactId>
+            <artifactId>configured-hocon</artifactId>
            <version>[LATEST RELEASE]</version>
            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-sql</artifactId>
+            <artifactId>configured-sql</artifactId>
            <version>[LATEST RELEASE]</version>
            <scope>compile</scope>
        </dependency>
@@ -222,7 +223,7 @@ repositories {
    mavenCentral()

    // 采用github依赖库，实时更新，但需要配置 (推荐)
-    maven { url 'https://maven.pkg.github.com/CarmJos/EasyConfiguration' }
+    maven { url 'https://maven.pkg.github.com/CarmJos/configured' }

    // 采用我的私人依赖库，简单方便，但可能因为变故而无法使用
    maven { url 'https://repo.carm.cc/repository/maven-public/' }
@@ -239,18 +240,18 @@ repositories {
 dependencies {

    //基础实现部分，需要自行实现“Provider”与“Wrapper”。
-    api "cc.carm.lib:easyconfiguration-core:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-core:[LATEST RELEASE]"

    //基于YAML文件的实现版本，可用于全部Java环境。
-    api "cc.carm.lib:easyconfiguration-yaml:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-yaml:[LATEST RELEASE]"

    //基于JSON文件的实现版本，可用于全部Java环境。
    //需要注意的是，JSON不支持文件注释。
-    api "cc.carm.lib:easyconfiguration-gson:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-gson:[LATEST RELEASE]"

-    api "cc.carm.lib:easyconfiguration-hocon:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-hocon:[LATEST RELEASE]"

-    api "cc.carm.lib:easyconfiguration-sql:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-sql:[LATEST RELEASE]"

 }
 ```
@@ -261,7 +262,7 @@ dependencies {

 ### [**MineConfiguration**](https://github.com/CarmJos/MineConfiguration) (by @CarmJos )

-EasyConfiguration for MineCraft!
+configured for MineCraft!
 开始在 MineCraft 相关服务器平台上轻松(做)配置吧！

 目前支持 BungeeCord, Bukkit(Spigot) 服务端，后续将支持更多平台。
@@ -274,7 +275,11 @@ EasyConfiguration for MineCraft!

 万分感谢 Jetbrains 为我们提供了从事此项目和其他开源项目的许可！

-[![](https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg)](https://www.jetbrains.com/?from=https://github.com/CarmJos/EasyConfiguration)
+[![](https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg)](https://www.jetbrains.com/?from=https://github.com/CarmJos/configured)
+
+万分感谢来自 [ArtformGames](https://github.com/ArtformGames) 对本项目的大力支持与积极贡献！
+
+<img src="https://raw.githubusercontent.com/ArtformGames/.github/master/logo/logo_full.svg" width="317px" height="117px" alt="ArtformGames">

 ## 开源协议

@@ -3,9 +3,9 @@
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
        <groupId>cc.carm.lib</groupId>
-        <version>4.0.4</version>
+        <version>4.1.5</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <properties>
@@ -15,7 +15,7 @@
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
    </properties>

-    <artifactId>easyconfiguration-core</artifactId>
+    <artifactId>configured-core</artifactId>
    <packaging>jar</packaging>

    <build>
@@ -15,6 +15,7 @@ public class ValueAdapter<TYPE>
        implements ValueSerializer<TYPE>, ValueParser<TYPE> {

    protected final @NotNull ValueType<TYPE> type;
+
    protected @Nullable ValueSerializer<TYPE> serializer;
    protected @Nullable ValueParser<TYPE> deserializer;

@@ -53,13 +54,21 @@ public class ValueAdapter<TYPE>
    }

    @Override
-    public Object serialize(@NotNull ConfigurationHolder<?> holder, @NotNull ValueType<? super TYPE> type, @NotNull TYPE value) throws Exception {
+    public @Nullable Object serialize(
+            @NotNull ConfigurationHolder<?> holder,
+            @NotNull ValueType<? super TYPE> type,
+            @NotNull TYPE value
+    ) throws Exception {
        if (serializer == null) throw new UnsupportedOperationException("Serializer is not supported");
        return serializer.serialize(holder, type, value);
    }

    @Override
-    public TYPE parse(@NotNull ConfigurationHolder<?> holder, @NotNull ValueType<? super TYPE> type, @NotNull Object value) throws Exception {
+    public @Nullable TYPE parse(
+            @NotNull ConfigurationHolder<?> holder,
+            @NotNull ValueType<? super TYPE> type,
+            @NotNull Object value
+    ) throws Exception {
        if (deserializer == null) throw new UnsupportedOperationException("Deserializer is not supported");
        return deserializer.parse(holder, type, value);
    }
@@ -2,7 +2,6 @@ package cc.carm.lib.configuration.adapter;

 import cc.carm.lib.configuration.function.DataFunction;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
-import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

@@ -61,7 +60,9 @@ public class ValueAdapterRegistry {
        }
    }

-    public <T> void register(@NotNull ValueType<T> type, @Nullable ValueSerializer<T> serializer, @Nullable ValueParser<T> deserializer) {
+    public <T> void register(@NotNull ValueType<T> type,
+                             @Nullable ValueSerializer<T> serializer,
+                             @Nullable ValueParser<T> deserializer) {
        if (serializer == null && deserializer == null) return;
        ValueAdapter<T> existing = adapterOf(type);
        if (existing != null) {
@@ -82,7 +83,9 @@ public class ValueAdapterRegistry {

    @SuppressWarnings("unchecked")
    public <T> @Nullable ValueAdapter<T> adapterOf(@NotNull ValueType<T> type) {
-        ValueAdapter<?> matched = adapters.stream().filter(adapter -> adapter.type().equals(type)).findFirst().orElse(null);
+        ValueAdapter<?> matched = adapters.stream()
+                .filter(adapter -> adapter.type().equals(type))
+                .findFirst().orElse(null);
        if (matched != null) return (ValueAdapter<T>) matched;

        // If no adapter found, try to find the adapter for the super type
@@ -99,12 +102,10 @@ public class ValueAdapterRegistry {
        return adapterOf(ValueType.of(type));
    }

-    @Contract("_,_,null -> null")
    public <T> T deserialize(@NotNull ConfigurationHolder<?> holder, @NotNull Class<T> type, @Nullable Object source) throws Exception {
        return deserialize(holder, ValueType.of(type), source);
    }

-    @Contract("_,_,null -> null")
    public <T> T deserialize(@NotNull ConfigurationHolder<?> holder, @NotNull ValueType<T> type, @Nullable Object source) throws Exception {
        if (source == null) return null; // Null check
        if (type.isInstance(source)) return type.cast(source); // Not required to deserialize
@@ -113,7 +114,7 @@ public class ValueAdapterRegistry {
        return adapter.parse(holder, type, source);
    }

-    @Contract("_,null -> null")
+    @Nullable
    public <T> Object serialize(@NotNull ConfigurationHolder<?> holder, @Nullable T value) throws Exception {
        if (value == null) return null; // Null check
        ValueType<T> type = ValueType.of(value);
@@ -2,6 +2,7 @@ package cc.carm.lib.configuration.adapter;

 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;

 /**
 * Value deserializer, convert base data to target value.
@@ -11,7 +12,7 @@ import org.jetbrains.annotations.NotNull;
@FunctionalInterface
 public interface ValueParser<TYPE> {

-    TYPE parse(
+    @Nullable TYPE parse(
            @NotNull ConfigurationHolder<?> holder,
            @NotNull ValueType<? super TYPE> type, @NotNull Object data
    ) throws Exception;
@@ -2,6 +2,7 @@ package cc.carm.lib.configuration.adapter;

 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;

 /**
 * Value serializer, convert target value to base data.
@@ -11,7 +12,7 @@ import org.jetbrains.annotations.NotNull;
@FunctionalInterface
 public interface ValueSerializer<TYPE> {

-    Object serialize(
+    @Nullable Object serialize(
            @NotNull ConfigurationHolder<?> holder,
            @NotNull ValueType<? super TYPE> type, @NotNull TYPE value
    ) throws Exception;
@@ -4,7 +4,7 @@ import org.jetbrains.annotations.NotNull;

 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
-import java.util.Map;
+import java.util.List;
 import java.util.Objects;

 /**
@@ -55,10 +55,14 @@ public abstract class ValueType<T> {
        };
    }

-    public static <T> ValueType<T> of(final Class<T> clazz) {
+    public static <T> ValueType<T> of(final @NotNull Class<T> clazz) {
        return of((Type) clazz);
    }

+    public static <T> ValueType<List<T>> ofList(final @NotNull Class<T> paramType) {
+        return of(List.class, paramType);
+    }
+
    /**
     * Get the generic type of the complex type.
     *
@@ -157,7 +161,7 @@ public abstract class ValueType<T> {
            ParameterizedType pt = (ParameterizedType) type;
            Type raw = pt.getRawType();
            StringBuilder sb = new StringBuilder();
-            sb.append(raw.getTypeName());
+            sb.append(raw.getClass().getName());
            sb.append('<');
            Type[] args = pt.getActualTypeArguments();
            for (int i = 0; i < args.length; i++) {
@@ -166,6 +170,7 @@ public abstract class ValueType<T> {
                }
                sb.append(args[i].getTypeName());
            }
+            sb.append('>');
            return sb.toString();
        }
        return type.getTypeName();
@@ -5,6 +5,8 @@ import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.source.section.ConfigureSection;
 import org.jetbrains.annotations.NotNull;

+import java.util.UUID;
+
 import static cc.carm.lib.configuration.adapter.strandard.PrimitiveAdapter.*;

 public interface StandardAdapters {
@@ -17,6 +19,12 @@ public interface StandardAdapters {

    @NotNull ValueAdapter<Enum<?>> ENUMS = PrimitiveAdapter.ofEnum();

+    @NotNull ValueAdapter<UUID> UUID = new ValueAdapter<>(
+            ValueType.of(UUID.class),
+            (provider, type, value) -> value.toString(),
+            (provider, type, value) -> java.util.UUID.fromString(value.toString())
+    );
+
    @NotNull ValueAdapter<ConfigureSection> SECTIONS = new ValueAdapter<>(
            ValueType.of(ConfigureSection.class),
            (provider, type, value) -> value,
@@ -1,21 +1,26 @@
 package cc.carm.lib.configuration.builder;

 import cc.carm.lib.configuration.adapter.ValueType;
+import cc.carm.lib.configuration.function.DataValidator;
+import cc.carm.lib.configuration.function.ValueValidator;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetaHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetadata;
 import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.ValueManifest;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.NotNullByDefault;
 import org.jetbrains.annotations.Nullable;

 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
+import java.util.function.Predicate;
 import java.util.function.Supplier;

+@NotNullByDefault
 public abstract class AbstractConfigBuilder<
-        TYPE, RESULT extends ConfigValue<TYPE>, HOLDER extends ConfigurationHolder<?>,
-        SELF extends AbstractConfigBuilder<TYPE, RESULT, HOLDER, SELF>
+        TYPE, UNIT, RESULT extends ConfigValue<TYPE, UNIT>, HOLDER extends ConfigurationHolder<?>,
+        SELF extends AbstractConfigBuilder<TYPE, UNIT, RESULT, HOLDER, SELF>
        > {

    protected final Class<? super HOLDER> providerClass;
@@ -24,6 +29,7 @@ public abstract class AbstractConfigBuilder<
    protected @Nullable HOLDER holder;
    protected @Nullable String path;

+    protected @NotNull ValueValidator<UNIT> valueValidator = ValueValidator.none();
    protected @NotNull Supplier<@Nullable TYPE> defaultValueSupplier = () -> null;
    protected @NotNull BiConsumer<ConfigurationHolder<?>, String> initializer = (h, p) -> {
    };
@@ -37,54 +43,121 @@ public abstract class AbstractConfigBuilder<
        return type;
    }

-    protected abstract @NotNull SELF self();
+    protected abstract SELF self();

    public abstract @NotNull RESULT build();

-    public @NotNull SELF holder(@Nullable HOLDER holder) {
+    public SELF holder(@Nullable HOLDER holder) {
        this.holder = holder;
        return self();
    }

-    public @NotNull SELF path(@Nullable String path) {
+    public SELF path(@Nullable String path) {
        this.path = path;
        return self();
    }

-    public @NotNull SELF initializer(@NotNull BiConsumer<ConfigurationHolder<?>, String> initializer) {
+    /**
+     * Set the {@link ValueValidator} for the value.
+     *
+     * @param validator The validator to set.
+     * @return this builder
+     */
+    public SELF validator(@NotNull ValueValidator<UNIT> validator) {
+        this.valueValidator = validator;
+        return self();
+    }
+
+    /**
+     * Set the {@link DataValidator} for the value.
+     *
+     * @param validator The validator to set.
+     * @return this builder
+     */
+    public SELF validator(@NotNull DataValidator<? super UNIT> validator) {
+        return validator((h, value) -> validator.validate(value));
+    }
+
+    /**
+     * Validate the value with the specified condition.
+     *
+     * @param validator The validator to append.
+     * @return this builder
+     */
+    public SELF validate(@NotNull ValueValidator<? super UNIT> validator) {
+        return validator(this.valueValidator.and(validator));
+    }
+
+    /**
+     * Validate the value with the specified condition.
+     *
+     * @param validator The validator to append.
+     * @return this builder
+     */
+    public SELF validate(@NotNull DataValidator<? super UNIT> validator) {
+        return validate((h, value) -> validator.validate(value));
+    }
+
+    /**
+     * Validate the value with the specified condition.
+     *
+     * @param condition The condition to check, if the condition is false, an exception will be thrown.
+     * @param exception The exception to throw if the condition is false.
+     * @return this builder
+     */
+    public SELF validate(@NotNull Predicate<? super UNIT> condition, @NotNull Exception exception) {
+        return validate((h, value) -> {
+            if (!condition.test(value)) throw exception;
+        });
+    }
+
+    /**
+     * Validate the value with the specified condition.
+     *
+     * @param condition The condition to check, if the condition is false, an exception will be thrown.
+     * @param msg       The message to throw if the condition is false.
+     * @return this builder
+     */
+    public SELF validate(@NotNull Predicate<? super UNIT> condition, @NotNull String msg) {
+        return validate((h, value) -> {
+            if (!condition.test(value)) throw new IllegalArgumentException(msg);
+        });
+    }
+
+    public SELF initializer(@NotNull BiConsumer<ConfigurationHolder<?>, String> initializer) {
        this.initializer = initializer;
        return self();
    }

-    public @NotNull SELF append(@NotNull BiConsumer<ConfigurationHolder<?>, String> initializer) {
+    public SELF append(@NotNull BiConsumer<ConfigurationHolder<?>, String> initializer) {
        return initializer(initializer.andThen(initializer));
    }

-    public @NotNull SELF append(@NotNull Consumer<ConfigurationHolder<?>> initializer) {
+    public SELF append(@NotNull Consumer<ConfigurationHolder<?>> initializer) {
        return append((provider, valuePath) -> initializer.accept(provider));
    }

-    public @NotNull SELF defaults(@Nullable TYPE defaultValue) {
+    public SELF defaults(@Nullable TYPE defaultValue) {
        return defaults(() -> defaultValue);
    }

-    public @NotNull SELF defaults(@NotNull Supplier<@Nullable TYPE> supplier) {
+    public SELF defaults(@NotNull Supplier<@Nullable TYPE> supplier) {
        this.defaultValueSupplier = supplier;
        return self();
    }

-    public <M> @NotNull SELF meta(@NotNull Consumer<@NotNull ConfigurationMetaHolder> metaConsumer) {
+    public SELF meta(@NotNull Consumer<@NotNull ConfigurationMetaHolder> metaConsumer) {
        return append((h, p) -> metaConsumer.accept(h.metadata(p)));
    }

-    public <M> @NotNull SELF meta(@NotNull ConfigurationMetadata<M> type, @Nullable M value) {
+    public <M> SELF meta(@NotNull ConfigurationMetadata<M> type, @Nullable M value) {
        return meta(h -> h.set(type, value));
    }

-    protected @NotNull ValueManifest<TYPE> buildManifest() {
+    protected @NotNull ValueManifest<TYPE, UNIT> buildManifest() {
        return new ValueManifest<>(
-                type(), this.defaultValueSupplier, this.initializer,
-                this.holder, this.path
+                type(), this.defaultValueSupplier, this.valueValidator,
+                this.initializer, this.holder, this.path
        );
    }

@@ -4,8 +4,11 @@ import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.value.ConfigValue;

-public abstract class CommonConfigBuilder<TYPE, RESULT extends ConfigValue<TYPE>, SELF extends CommonConfigBuilder<TYPE, RESULT, SELF>>
-        extends AbstractConfigBuilder<TYPE, RESULT, ConfigurationHolder<?>, SELF> {
+public abstract class CommonConfigBuilder<
+        TYPE, UNIT,
+        RESULT extends ConfigValue<TYPE, UNIT>,
+        SELF extends CommonConfigBuilder<TYPE, UNIT, RESULT, SELF>
+        > extends AbstractConfigBuilder<TYPE, UNIT, RESULT, ConfigurationHolder<?>, SELF> {

    protected CommonConfigBuilder(ValueType<TYPE> type) {
        super(ConfigurationHolder.class, type);
@@ -4,7 +4,7 @@ import cc.carm.lib.configuration.adapter.ValueAdapter;
 import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.builder.CommonConfigBuilder;
 import cc.carm.lib.configuration.function.DataFunction;
-import cc.carm.lib.configuration.function.ValueConsumer;
+import cc.carm.lib.configuration.function.ValueComposer;
 import cc.carm.lib.configuration.function.ValueHandler;
 import cc.carm.lib.configuration.source.section.ConfigureSection;
 import cc.carm.lib.configuration.value.ConfigValue;
@@ -14,47 +14,45 @@ import java.util.LinkedHashMap;
 import java.util.Map;

 public abstract class AbstractSectionBuilder<
-        TYPE, PARAM,
-        RESULT extends ConfigValue<TYPE>,
-        SELF extends AbstractSectionBuilder<TYPE, PARAM, RESULT, SELF>
-        > extends CommonConfigBuilder<TYPE, RESULT, SELF> {
+        TYPE, UNIT,
+        RESULT extends ConfigValue<TYPE, UNIT>,
+        SELF extends AbstractSectionBuilder<TYPE, UNIT, RESULT, SELF>
+        > extends CommonConfigBuilder<TYPE, UNIT, RESULT, SELF> {


-    protected final @NotNull ValueType<PARAM> paramType;
+    protected final @NotNull ValueType<UNIT> paramType;

-    protected @NotNull ValueHandler<ConfigureSection, PARAM> parser;
-    protected @NotNull ValueHandler<PARAM, ? extends Map<String, Object>> serializer;
+    protected @NotNull ValueHandler<ConfigureSection, UNIT> parser;
+    protected @NotNull ValueHandler<UNIT, ? extends Map<String, Object>> serializer;

-    protected AbstractSectionBuilder(@NotNull ValueType<TYPE> type, @NotNull ValueType<PARAM> paramType,
-                                     @NotNull ValueHandler<ConfigureSection, PARAM> parser,
-                                     @NotNull ValueHandler<PARAM, ? extends Map<String, Object>> serializer) {
+    protected AbstractSectionBuilder(@NotNull ValueType<TYPE> type, @NotNull ValueType<UNIT> paramType,
+                                     @NotNull ValueHandler<ConfigureSection, UNIT> parser,
+                                     @NotNull ValueHandler<UNIT, ? extends Map<String, Object>> serializer) {
        super(type);
        this.paramType = paramType;
        this.parser = parser;
        this.serializer = serializer;
    }

-    public @NotNull SELF parse(@NotNull DataFunction<ConfigureSection, PARAM> valueParser) {
+    public @NotNull SELF parse(@NotNull DataFunction<ConfigureSection, UNIT> valueParser) {
        return parse((p, section) -> valueParser.handle(section));
    }

-    public @NotNull SELF parse(@NotNull ValueHandler<ConfigureSection, PARAM> valueParser) {
+    public @NotNull SELF parse(@NotNull ValueHandler<ConfigureSection, UNIT> valueParser) {
        this.parser = valueParser;
        return self();
    }

-    public @NotNull SELF serialize(@NotNull ValueHandler<PARAM, ? extends Map<String, Object>> serializer) {
+    public @NotNull SELF serialize(@NotNull ValueHandler<UNIT, ? extends Map<String, Object>> serializer) {
        this.serializer = serializer;
        return self();
    }

-    public @NotNull SELF serialize(@NotNull DataFunction<PARAM, ? extends Map<String, Object>> serializer) {
-        return serialize((p, value) -> {
-            return serializer.handle(value);
-        });
+    public @NotNull SELF serialize(@NotNull DataFunction<UNIT, ? extends Map<String, Object>> serializer) {
+        return serialize((p, value) -> serializer.handle(value));
    }

-    public @NotNull SELF serialize(@NotNull ValueConsumer<Map<String, Object>, PARAM> serializer) {
+    public @NotNull SELF serialize(@NotNull ValueComposer<Map<String, Object>, UNIT> serializer) {
        return serialize((h, value) -> {
            Map<String, Object> map = new LinkedHashMap<>();
            serializer.accept(h, map, value);
@@ -62,7 +60,7 @@ public abstract class AbstractSectionBuilder<
        });
    }

-    protected ValueAdapter<PARAM> buildAdapter() {
+    protected ValueAdapter<UNIT> buildAdapter() {
        return new ValueAdapter<>(this.paramType)
                .parser((p, type, data) -> {
                    ConfigureSection section = p.deserialize(ConfigureSection.class, data);
@@ -9,19 +9,19 @@ import cc.carm.lib.configuration.value.ConfigValue;
 import org.jetbrains.annotations.NotNull;

 public abstract class AbstractSourceBuilder<
-        V, SOURCE, PARAM, RESULT extends ConfigValue<V>,
-        SELF extends AbstractSourceBuilder<V, SOURCE, PARAM, RESULT, SELF>
-        > extends CommonConfigBuilder<V, RESULT, SELF> {
+        V, SOURCE, UNIT, RESULT extends ConfigValue<V, UNIT>,
+        SELF extends AbstractSourceBuilder<V, SOURCE, UNIT, RESULT, SELF>
+        > extends CommonConfigBuilder<V, UNIT, RESULT, SELF> {

    protected final @NotNull ValueType<SOURCE> sourceType;
-    protected final @NotNull ValueType<PARAM> paramType;
-    protected @NotNull ValueHandler<SOURCE, PARAM> valueParser;
-    protected @NotNull ValueHandler<PARAM, SOURCE> valueSerializer;
+    protected final @NotNull ValueType<UNIT> paramType;
+    protected @NotNull ValueHandler<SOURCE, UNIT> valueParser;
+    protected @NotNull ValueHandler<UNIT, SOURCE> valueSerializer;

    protected AbstractSourceBuilder(@NotNull ValueType<V> type,
-                                    @NotNull ValueType<SOURCE> sourceType, @NotNull ValueType<PARAM> paramType,
-                                    @NotNull ValueHandler<SOURCE, PARAM> parser,
-                                    @NotNull ValueHandler<PARAM, SOURCE> serializer) {
+                                    @NotNull ValueType<SOURCE> sourceType, @NotNull ValueType<UNIT> paramType,
+                                    @NotNull ValueHandler<SOURCE, UNIT> parser,
+                                    @NotNull ValueHandler<UNIT, SOURCE> serializer) {
        super(type);
        this.sourceType = sourceType;
        this.paramType = paramType;
@@ -29,25 +29,25 @@ public abstract class AbstractSourceBuilder<
        this.valueSerializer = serializer;
    }

-    public @NotNull SELF parse(@NotNull DataFunction<SOURCE, PARAM> parser) {
+    public @NotNull SELF parse(@NotNull DataFunction<SOURCE, UNIT> parser) {
        return parse((p, source) -> parser.handle(source));
    }

-    public @NotNull SELF parse(@NotNull ValueHandler<SOURCE, PARAM> parser) {
+    public @NotNull SELF parse(@NotNull ValueHandler<SOURCE, UNIT> parser) {
        this.valueParser = parser;
        return self();
    }

-    public @NotNull SELF serialize(@NotNull ValueHandler<PARAM, SOURCE> serializer) {
+    public @NotNull SELF serialize(@NotNull ValueHandler<UNIT, SOURCE> serializer) {
        this.valueSerializer = serializer;
        return self();
    }

-    public @NotNull SELF serialize(@NotNull DataFunction<PARAM, SOURCE> serializer) {
+    public @NotNull SELF serialize(@NotNull DataFunction<UNIT, SOURCE> serializer) {
        return serialize((p, value) -> serializer.handle(value));
    }

-    protected ValueAdapter<PARAM> buildAdapter() {
+    protected ValueAdapter<UNIT> buildAdapter() {
        return new ValueAdapter<>(this.paramType)
                .parser((holder, type, data) -> {
                    SOURCE source = holder.deserialize(this.sourceType, data);
@@ -8,9 +8,11 @@ import cc.carm.lib.configuration.value.standard.ConfiguredList;
 import org.jetbrains.annotations.NotNull;

 import java.util.*;
+import java.util.function.Consumer;
 import java.util.function.Supplier;

-public class SectionListBuilder<V> extends AbstractSectionBuilder<List<V>, V, ConfiguredList<V>, SectionListBuilder<V>> {
+public class SectionListBuilder<V>
+        extends AbstractSectionBuilder<List<V>, V, ConfiguredList<V>, SectionListBuilder<V>> {

    protected @NotNull Supplier<? extends List<V>> constructor;

@@ -32,6 +34,14 @@ public class SectionListBuilder<V> extends AbstractSectionBuilder<List<V>, V, Co
        return defaults(new ArrayList<>(values));
    }

+    public final @NotNull SectionListBuilder<V> defaults(@NotNull Consumer<List<V>> constructor) {
+        return defaults(() -> {
+            List<V> list = new ArrayList<>();
+            constructor.accept(list);
+            return list;
+        });
+    }
+
    public SectionListBuilder<V> constructor(@NotNull Supplier<? extends List<V>> constructor) {
        this.constructor = constructor;
        return this;
@@ -10,6 +10,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
+import java.util.function.Consumer;
 import java.util.function.Supplier;

 public class SourceListBuilder<SOURCE, V>
@@ -34,6 +35,23 @@ public class SourceListBuilder<SOURCE, V>
        return defaults(new ArrayList<>(values));
    }

+    public final @NotNull SourceListBuilder<SOURCE, V> defaults(@NotNull Consumer<List<V>> constructor) {
+        return defaults(() -> {
+            List<V> list = new ArrayList<>();
+            constructor.accept(list);
+            return list;
+        });
+    }
+
+    public SourceListBuilder<SOURCE, V> constructor(@NotNull Supplier<? extends List<V>> constructor) {
+        this.constructor = constructor;
+        return this;
+    }
+
+    public <LIST extends List<V>> SourceListBuilder<SOURCE, V> construct(@NotNull LIST list) {
+        return constructor(() -> list);
+    }
+
    @Override
    protected @NotNull SourceListBuilder<SOURCE, V> self() {
        return this;
@@ -3,10 +3,7 @@ package cc.carm.lib.configuration.builder.map;
 import cc.carm.lib.configuration.adapter.ValueType;
 import org.jetbrains.annotations.NotNull;

-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.TreeMap;
+import java.util.*;
 import java.util.function.Supplier;

 public class ConfigMapCreator<K, V> {
@@ -45,4 +42,8 @@ public class ConfigMapCreator<K, V> {
        return constructor(TreeMap::new);
    }

+    public @NotNull ConfigMapBuilder<TreeMap<K, V>, K, V> asTreeMap(@NotNull Comparator<? super K> comparator) {
+        return constructor(() -> new TreeMap<>(comparator));
+    }
+
 }
@@ -14,10 +14,7 @@ import java.util.function.Consumer;
 import java.util.function.Supplier;

 public class SectionMapBuilder<MAP extends Map<K, V>, K, V>
-        extends AbstractSectionBuilder<
-        Map<K, V>, V, ConfiguredMap<K, V>,
-        SectionMapBuilder<MAP, K, V>
-        > {
+        extends AbstractSectionBuilder<Map<K, V>, V, ConfiguredMap<K, V>, SectionMapBuilder<MAP, K, V>> {

    protected final @NotNull ValueType<K> keyType;

@@ -75,6 +72,10 @@ public class SectionMapBuilder<MAP extends Map<K, V>, K, V>
        });
    }

+    public @NotNull SectionMapBuilder<MAP, K, V> defaults(@NotNull K key, @NotNull V value) {
+        return defaults(map -> map.put(key, value));
+    }
+
    public @NotNull ValueAdapter<K> buildKeyAdapter() {
        return new ValueAdapter<>(this.keyType)
                .parser((holder, type, data) -> {
@@ -13,10 +13,7 @@ import java.util.function.Consumer;
 import java.util.function.Supplier;

 public class SourceMapBuilder<MAP extends Map<K, V>, SOURCE, K, V>
-        extends AbstractSourceBuilder<
-        Map<K, V>, SOURCE, V, ConfiguredMap<K, V>,
-        SourceMapBuilder<MAP, SOURCE, K, V>
-        > {
+        extends AbstractSourceBuilder<Map<K, V>, SOURCE, V, ConfiguredMap<K, V>, SourceMapBuilder<MAP, SOURCE, K, V>> {

    protected final @NotNull ValueType<K> keyType;

@@ -53,6 +50,10 @@ public class SourceMapBuilder<MAP extends Map<K, V>, SOURCE, K, V>
        });
    }

+    public @NotNull SourceMapBuilder<MAP, SOURCE, K, V> defaults(@NotNull K key, @NotNull V value) {
+        return defaults(map -> map.put(key, value));
+    }
+
    public @NotNull SourceMapBuilder<MAP, SOURCE, K, V> parseKey(@NotNull DataFunction<String, K> keyParser) {
        return parseKey((holder, data) -> keyParser.handle(data));
    }
@@ -1,7 +1,6 @@
 package cc.carm.lib.configuration.builder.value;

 import cc.carm.lib.configuration.adapter.ValueType;
-import cc.carm.lib.configuration.builder.impl.AbstractSectionBuilder;
 import cc.carm.lib.configuration.function.ValueHandler;
 import cc.carm.lib.configuration.source.section.ConfigureSection;
 import org.jetbrains.annotations.NotNull;
@@ -6,7 +6,8 @@ import cc.carm.lib.configuration.function.ValueHandler;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
 import org.jetbrains.annotations.NotNull;

-public class SourceValueBuilder<S, V> extends AbstractSourceBuilder<V, S, V, ConfiguredValue<V>, SourceValueBuilder<S, V>> {
+public class SourceValueBuilder<S, V>
+        extends AbstractSourceBuilder<V, S, V, ConfiguredValue<V>, SourceValueBuilder<S, V>> {


    public SourceValueBuilder(@NotNull ValueType<S> sourceType, @NotNull ValueType<V> valueType,
@@ -0,0 +1,22 @@
+package cc.carm.lib.configuration.function;
+
+import org.jetbrains.annotations.NotNull;
+
+@FunctionalInterface
+public interface ConfigExceptionHandler {
+
+    void handle(@NotNull String path, @NotNull Throwable throwable);
+
+    static @NotNull ConfigExceptionHandler silence() {
+        return (path, throwable) -> {
+        };
+    }
+
+    static @NotNull ConfigExceptionHandler print() {
+        return (path, throwable) -> {
+            System.err.println("Error occurred at path: " + path);
+            throwable.printStackTrace();
+        };
+    }
+
+}
@@ -0,0 +1,17 @@
+package cc.carm.lib.configuration.function;
+
+import org.jetbrains.annotations.Nullable;
+
+@FunctionalInterface
+public interface DataValidator<T> {
+
+    void validate(@Nullable T value) throws Exception;
+
+    default DataValidator<T> compose(DataValidator<? super T> other) {
+        return value -> {
+            validate(value);
+            other.validate(value);
+        };
+    }
+
+}
@@ -0,0 +1,29 @@
+package cc.carm.lib.configuration.function;
+
+
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import org.jetbrains.annotations.NotNull;
+
+@FunctionalInterface
+public interface ValueComposer<T, U> {
+
+    /**
+     * Accept the value and the data, and then compose the value.
+     *
+     * @param holder The configuration holder
+     * @param type   The value type, e.g. {@link java.util.List}, {@link java.util.Map}, etc.
+     * @param data   The unit data
+     * @throws Exception If an error occurs
+     */
+    void accept(@NotNull ConfigurationHolder<?> holder, @NotNull T type, @NotNull U data) throws Exception;
+
+    default ValueComposer<T, U> andThen(ValueComposer<? super T, ? super U> after) {
+        return (holder, unit, data) -> {
+            accept(holder, unit, data);
+            after.accept(holder, unit, data);
+        };
+    }
+
+}
+
+
@@ -1,21 +0,0 @@
-package cc.carm.lib.configuration.function;
-
-
-import cc.carm.lib.configuration.source.ConfigurationHolder;
-import org.jetbrains.annotations.NotNull;
-
-@FunctionalInterface
-public interface ValueConsumer<U, T> {
-
-    void accept(@NotNull ConfigurationHolder<?> holder, @NotNull U unit, @NotNull T data) throws Exception;
-
-    default ValueConsumer<U, T> andThen(ValueConsumer<? super U, ? super T> after) {
-        return (holder, unit, data) -> {
-            accept(holder, unit, data);
-            after.accept(holder, unit, data);
-        };
-    }
-
-}
-
-
@@ -0,0 +1,47 @@
+package cc.carm.lib.configuration.function;
+
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+@FunctionalInterface
+public interface ValueValidator<T> {
+
+    void validate(@NotNull ConfigurationHolder<?> holder, @Nullable T value) throws Exception;
+
+    default ValueValidator<T> and(ValueValidator<? super T> other) {
+        return (holder, value) -> {
+            validate(holder, value);
+            other.validate(holder, value);
+        };
+    }
+
+    static <V> ValueValidator<V> none() {
+        return (holder, data) -> {
+        };
+    }
+
+    static <V> ValueValidator<V> nonnull() {
+        return nonnull("Value cannot be null");
+    }
+
+    static <V> ValueValidator<V> nonnull(String message) {
+        return (holder, data) -> {
+            if (data == null) throw new IllegalArgumentException(message);
+        };
+    }
+
+    static <V extends Number> ValueValidator<V> range(V min, V max) {
+        return range(min, max, "Value must be in range [" + min + ", " + max + "]");
+    }
+
+    static <V extends Number> ValueValidator<V> range(V min, V max, String message) {
+        return (holder, data) -> {
+            if (data.doubleValue() < min.doubleValue() || data.doubleValue() > max.doubleValue()) {
+                throw new IllegalArgumentException(message);
+            }
+        };
+    }
+
+
+}
@@ -2,7 +2,9 @@ package cc.carm.lib.configuration.source;

 import cc.carm.lib.configuration.adapter.*;
 import cc.carm.lib.configuration.adapter.strandard.StandardAdapters;
+import cc.carm.lib.configuration.function.ConfigExceptionHandler;
 import cc.carm.lib.configuration.function.DataFunction;
+import cc.carm.lib.configuration.function.ValueValidator;
 import cc.carm.lib.configuration.source.loader.ConfigurationInitializer;
 import cc.carm.lib.configuration.source.loader.PathGenerator;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetaHolder;
@@ -33,15 +35,17 @@ public abstract class ConfigurationFactory<
        SELF
        > {

-    protected ValueAdapterRegistry adapters = new ValueAdapterRegistry();
-    protected ConfigurationOptionHolder options = new ConfigurationOptionHolder();
+    protected @NotNull ValueAdapterRegistry adapters = new ValueAdapterRegistry();
+    protected @NotNull ConfigurationOptionHolder options = new ConfigurationOptionHolder();
    protected @NotNull Map<String, ConfigurationMetaHolder> metadata = new HashMap<>();
-    protected ConfigurationInitializer initializer = new ConfigurationInitializer();
+    protected @NotNull ConfigurationInitializer initializer = new ConfigurationInitializer();
+    protected @NotNull ConfigExceptionHandler exceptionHandler = ConfigExceptionHandler.print();

-    public ConfigurationFactory() {
+    protected ConfigurationFactory() {
        this.adapters.register(StandardAdapters.PRIMITIVES);
        this.adapters.register(StandardAdapters.SECTIONS);
        this.adapters.register(StandardAdapters.ENUMS);
+        this.adapters.register(StandardAdapters.UUID);
    }

    protected abstract SELF self();
@@ -146,6 +150,11 @@ public abstract class ConfigurationFactory<
        return self();
    }

+    public SELF exceptionally(@NotNull ConfigExceptionHandler handler) {
+        this.exceptionHandler = handler;
+        return self();
+    }
+
    /**
     * Supply the base path generator for this configuration holder
     *
@@ -153,9 +162,7 @@ public abstract class ConfigurationFactory<
     * @return this
     */
    public SELF pathGenerator(PathGenerator generator) {
-        return initializer(loader -> {
-            loader.pathGenerator(generator);
-        });
+        return initializer(loader -> loader.pathGenerator(generator));
    }

    /**
@@ -174,6 +181,19 @@ public abstract class ConfigurationFactory<
        return initializer(loader -> loader.registerAnnotation(annotation, metadata, extractor));
    }

+    /**
+     * Register a new annotation for {@link ValueValidator} to the configuration loader
+     *
+     * @param annotation The {@link Annotation}
+     * @param builder    The {@link Function} to build the {@link ValueValidator} from the annotation
+     * @param <A>        The annotation type
+     * @return this
+     */
+    public <A extends Annotation> SELF validAnnotation(@NotNull Class<A> annotation,
+                                                       @NotNull Function<A, ValueValidator<Object>> builder) {
+        return initializer(loader -> loader.registerValidAnnotation(annotation, builder));
+    }
+
    /**
     * Build the configuration holder.
     *
@@ -3,14 +3,16 @@ package cc.carm.lib.configuration.source;
 import cc.carm.lib.configuration.Configuration;
 import cc.carm.lib.configuration.adapter.ValueAdapterRegistry;
 import cc.carm.lib.configuration.adapter.ValueType;
+import cc.carm.lib.configuration.function.ConfigExceptionHandler;
 import cc.carm.lib.configuration.source.loader.ConfigurationInitializer;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetaHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetadata;
+import cc.carm.lib.configuration.source.meta.StandardMeta;
 import cc.carm.lib.configuration.source.option.ConfigurationOption;
 import cc.carm.lib.configuration.source.option.ConfigurationOptionHolder;
 import cc.carm.lib.configuration.source.section.ConfigureSource;
+import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.ValueManifest;
-import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.UnmodifiableView;
@@ -18,6 +20,8 @@ import org.jetbrains.annotations.UnmodifiableView;
 import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
+import java.util.Objects;
+import java.util.function.Predicate;

 public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, SOURCE>> {

@@ -27,14 +31,25 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S

    protected final @NotNull ConfigurationInitializer initializer;

+    protected @NotNull ConfigExceptionHandler exceptionHandler;
+
    public ConfigurationHolder(@NotNull ValueAdapterRegistry adapters,
                               @NotNull ConfigurationOptionHolder options,
                               @NotNull Map<String, ConfigurationMetaHolder> metadata,
                               @NotNull ConfigurationInitializer initializer) {
+        this(adapters, options, metadata, initializer, ConfigExceptionHandler.print());
+    }
+
+    public ConfigurationHolder(@NotNull ValueAdapterRegistry adapters,
+                               @NotNull ConfigurationOptionHolder options,
+                               @NotNull Map<String, ConfigurationMetaHolder> metadata,
+                               @NotNull ConfigurationInitializer initializer,
+                               @NotNull ConfigExceptionHandler exceptionHandler) {
        this.initializer = initializer;
        this.adapters = adapters;
        this.options = options;
        this.metadata = metadata;
+        this.exceptionHandler = exceptionHandler;
    }

    public abstract @NotNull SOURCE config();
@@ -51,7 +66,7 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
        return options;
    }

-    public <O> O option(@NotNull ConfigurationOption<O> option) {
+    public <O> @NotNull O option(@NotNull ConfigurationOption<O> option) {
        return options().get(option);
    }

@@ -66,14 +81,26 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
    @NotNull
    @UnmodifiableView
    public <M> Map<String, M> extractMetadata(@NotNull ConfigurationMetadata<M> type) {
+        return extractMetadata(type, Objects::nonNull);
+    }
+
+    @NotNull
+    @UnmodifiableView
+    public <M> Map<String, M> extractMetadata(@NotNull ConfigurationMetadata<M> type, @NotNull Predicate<@Nullable M> filter) {
        Map<String, M> metas = new LinkedHashMap<>();
        for (Map.Entry<String, ConfigurationMetaHolder> entry : this.metadata.entrySet()) {
            M data = entry.getValue().get(type);
-            if (data != null) metas.put(entry.getKey(), data);
+            if (filter.test(data)) metas.put(entry.getKey(), data);
        }
        return Collections.unmodifiableMap(metas);
    }

+    @NotNull
+    @UnmodifiableView
+    public Map<String, ConfigValue<?, ?>> registeredValues() {
+        return extractMetadata(StandardMeta.VALUE);
+    }
+
    public ValueAdapterRegistry adapters() {
        return this.adapters;
    }
@@ -82,17 +109,17 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
        return initializer;
    }

-    @Contract("_,null -> null")
+    @Nullable
    public <T> T deserialize(@NotNull Class<T> type, @Nullable Object source) throws Exception {
        return adapters().deserialize(this, type, source);
    }

-    @Contract("_,null -> null")
+    @Nullable
    public <T> T deserialize(@NotNull ValueType<T> type, @Nullable Object source) throws Exception {
        return adapters().deserialize(this, type, source);
    }

-    @Contract("null -> null")
+    @Nullable
    public <T> Object serialize(@Nullable T value) throws Exception {
        return adapters().serialize(this, value);
    }
@@ -101,7 +128,7 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
        try {
            initializer.initialize(this, configClass);
        } catch (Exception e) {
-            e.printStackTrace();
+            throwing(configClass.getName(), e);
        }
    }

@@ -109,12 +136,20 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
        try {
            initializer.initialize(this, config);
        } catch (Exception e) {
-            e.printStackTrace();
+            throwing(config.getClass().getName(), e);
        }
    }

-    public void initialize(@NotNull ValueManifest<?> value) {
+    public void initialize(@NotNull ValueManifest<?, ?> value) {
        value.holder(this);
    }

+    public void throwing(@NotNull String path, @NotNull Throwable e) {
+        this.exceptionHandler.handle(path, e);
+    }
+
+    public void exceptionally(@NotNull ConfigExceptionHandler handler) {
+        this.exceptionHandler = handler;
+    }
+
 }
@@ -5,26 +5,27 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

@FunctionalInterface
-public interface ConfigInitializeHandler<T> {
+public interface ConfigInitializeHandler<T, V> {

-    static <T> ConfigInitializeHandler<T> start() {
-        return (provider, path, value) -> {
+    static <T, V> ConfigInitializeHandler<T, V> start() {
+        return (provider, path, value, instance) -> {
        };
    }

-    void whenInitialize(@NotNull ConfigurationHolder<?> holder, @Nullable String path, @NotNull T value) throws Exception;
+    void whenInitialize(@NotNull ConfigurationHolder<?> holder, @Nullable String path,
+                        @NotNull T value, @Nullable V instance) throws Exception;

-    default ConfigInitializeHandler<T> andThen(ConfigInitializeHandler<T> after) {
-        return (provider, path, value) -> {
-            whenInitialize(provider, path, value);
-            after.whenInitialize(provider, path, value);
+    default ConfigInitializeHandler<T, V> andThen(ConfigInitializeHandler<T, V> after) {
+        return (provider, path, value, instance) -> {
+            whenInitialize(provider, path, value, instance);
+            after.whenInitialize(provider, path, value, instance);
        };
    }

-    default ConfigInitializeHandler<T> compose(ConfigInitializeHandler<T> before) {
-        return (provider, path, value) -> {
-            before.whenInitialize(provider, path, value);
-            whenInitialize(provider, path, value);
+    default ConfigInitializeHandler<T, V> compose(ConfigInitializeHandler<T, V> before) {
+        return (provider, path, value, instance) -> {
+            before.whenInitialize(provider, path, value, instance);
+            whenInitialize(provider, path, value, instance);
        };
    }

@@ -1,6 +1,7 @@
 package cc.carm.lib.configuration.source.loader;

 import cc.carm.lib.configuration.Configuration;
+import cc.carm.lib.configuration.function.ValueValidator;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetadata;
 import cc.carm.lib.configuration.source.meta.StandardMeta;
@@ -21,18 +22,18 @@ import java.util.function.Function;
 public class ConfigurationInitializer {

    protected @NotNull PathGenerator pathGenerator;
-    protected @NotNull ConfigInitializeHandler<Field> fieldInitializer;
-    protected @NotNull ConfigInitializeHandler<Class<? extends Configuration>> classInitializer;
+    protected @NotNull ConfigInitializeHandler<Field, ConfigValue<?, ?>> valueInitializer;
+    protected @NotNull ConfigInitializeHandler<Class<? extends Configuration>, Object> classInitializer;

    public ConfigurationInitializer() {
        this(PathGenerator.of(), ConfigInitializeHandler.start(), ConfigInitializeHandler.start());
    }

    public ConfigurationInitializer(@NotNull PathGenerator pathGenerator,
-                                    @NotNull ConfigInitializeHandler<Field> fieldInitializer,
-                                    @NotNull ConfigInitializeHandler<Class<? extends Configuration>> classInitializer) {
+                                    @NotNull ConfigInitializeHandler<Field, ConfigValue<?, ?>> valueInitializer,
+                                    @NotNull ConfigInitializeHandler<Class<? extends Configuration>, Object> classInitializer) {
        this.pathGenerator = pathGenerator;
-        this.fieldInitializer = fieldInitializer;
+        this.valueInitializer = valueInitializer;
        this.classInitializer = classInitializer;
    }

@@ -44,34 +45,34 @@ public class ConfigurationInitializer {
        return pathGenerator;
    }

-    public ConfigInitializeHandler<Field> fieldInitializer() {
-        return fieldInitializer;
+    public ConfigInitializeHandler<Field, ConfigValue<?, ?>> fieldInitializer() {
+        return valueInitializer;
    }

-    public void fieldInitializer(@NotNull ConfigInitializeHandler<Field> fieldInitializer) {
-        this.fieldInitializer = fieldInitializer;
+    public void fieldInitializer(@NotNull ConfigInitializeHandler<Field, ConfigValue<?, ?>> fieldInitializer) {
+        this.valueInitializer = fieldInitializer;
    }

-    public ConfigInitializeHandler<Class<? extends Configuration>> classInitializer() {
+    public ConfigInitializeHandler<Class<? extends Configuration>, Object> classInitializer() {
        return classInitializer;
    }

-    public void classInitializer(@NotNull ConfigInitializeHandler<Class<? extends Configuration>> classInitializer) {
+    public void classInitializer(@NotNull ConfigInitializeHandler<Class<? extends Configuration>, Object> classInitializer) {
        this.classInitializer = classInitializer;
    }

-    public void appendFieldInitializer(@NotNull ConfigInitializeHandler<Field> fieldInitializer) {
-        this.fieldInitializer = this.fieldInitializer.andThen(fieldInitializer);
+    public void appendFieldInitializer(@NotNull ConfigInitializeHandler<Field, ConfigValue<?, ?>> fieldInitializer) {
+        this.valueInitializer = this.valueInitializer.andThen(fieldInitializer);
    }

-    public void appendClassInitializer(@NotNull ConfigInitializeHandler<Class<? extends Configuration>> classInitializer) {
+    public void appendClassInitializer(@NotNull ConfigInitializeHandler<Class<? extends Configuration>, Object> classInitializer) {
        this.classInitializer = this.classInitializer.andThen(classInitializer);
    }

    public <T, A extends Annotation> void registerClassAnnotation(@NotNull Class<A> annotation,
                                                                  @NotNull ConfigurationMetadata<T> metadata,
                                                                  @NotNull Function<A, T> extractor) {
-        appendClassInitializer((holder, path, clazz) -> {
+        appendClassInitializer((holder, path, clazz, instance) -> {
            A data = clazz.getAnnotation(annotation);
            if (data == null) return;
            holder.metadata(path).setIfAbsent(metadata, extractor.apply(data));
@@ -81,7 +82,7 @@ public class ConfigurationInitializer {
    public <T, A extends Annotation> void registerFieldAnnotation(@NotNull Class<A> annotation,
                                                                  @NotNull ConfigurationMetadata<T> metadata,
                                                                  @NotNull Function<A, T> extractor) {
-        appendFieldInitializer((holder, path, field) -> {
+        appendFieldInitializer((holder, path, field, instance) -> {
            A data = field.getAnnotation(annotation);
            if (data == null) return;
            holder.metadata(path).setIfAbsent(metadata, extractor.apply(data));
@@ -95,6 +96,14 @@ public class ConfigurationInitializer {
        registerFieldAnnotation(annotation, metadata, extractor);
    }

+    public <A extends Annotation> void registerValidAnnotation(@NotNull Class<A> annotation,
+                                                               @NotNull Function<A, ValueValidator<Object>> builder) {
+        appendFieldInitializer((holder, path, field, instance) -> {
+            A data = field.getAnnotation(annotation);
+            if (data == null) return;
+            instance.validate((h, t) -> builder.apply(data).validate(h, t));
+        });
+    }

    public @Nullable String getFieldPath(@NotNull ConfigurationHolder<?> holder, @Nullable String parentPath, @NotNull Field field) {
        return pathGenerator.getFieldPath(holder, parentPath, field);
@@ -123,9 +132,9 @@ public class ConfigurationInitializer {
                                      @Nullable String parentPath, @Nullable Field configField) {
        String path = getClassPath(holder, parentPath, root.getClass(), configField);
        try {
-            this.classInitializer.whenInitialize(holder, path, root.getClass());
+            this.classInitializer.whenInitialize(holder, path, root.getClass(), root);
        } catch (Exception e) {
-            e.printStackTrace();
+            holder.throwing(path, e);
        }
        Arrays.stream(root.getClass().getDeclaredFields()).forEach(field -> initializeField(holder, root, field, path));
    }
@@ -140,9 +149,9 @@ public class ConfigurationInitializer {
        String path = getClassPath(holder, parentPath, clazz, configField);

        try {
-            this.classInitializer.whenInitialize(holder, path, (Class<? extends Configuration>) clazz);
+            this.classInitializer.whenInitialize(holder, path, (Class<? extends Configuration>) clazz, configField);
        } catch (Exception e) {
-            e.printStackTrace();
+            holder.throwing(path, e);
        }

        for (Field field : clazz.getDeclaredFields()) {
@@ -163,21 +172,21 @@ public class ConfigurationInitializer {
            field.setAccessible(true);
            Object object = field.get(source);
 //
-            if (object instanceof ConfigValue<?>) {
+            if (object instanceof ConfigValue<?, ?>) {
                // 目标是 ConfigValue 实例，进行具体的初始化注入
-                ConfigValue<?> value = (ConfigValue<?>) object;
+                ConfigValue<?, ?> value = (ConfigValue<?, ?>) object;
                String path = getFieldPath(holder, parent, field);
                if (path == null) return;
                value.initialize(holder, path);
-                holder.metadata(path).set(StandardMeta.UNIT, true); // Mark the minimal config value unit.
-                try {
-                    this.fieldInitializer.whenInitialize(holder, path, field);
-                } catch (Exception e) {
-                    e.printStackTrace();
-                }
+                holder.metadata(path).set(StandardMeta.VALUE, value); // Mark the minimal config value unit.
                if (holder.option(StandardOptions.SET_DEFAULTS)) {
                    value.setDefault(); // Set default value.
                }
+                try {
+                    this.valueInitializer.whenInitialize(holder, path, field, value);
+                } catch (Exception e) {
+                    holder.throwing(path, e);
+                }
                if (holder.option(StandardOptions.PRELOAD)) {
                    value.get(); // Preload the value by calling #get method.
                }
@@ -1,10 +1,12 @@
 package cc.carm.lib.configuration.source.meta;

+import cc.carm.lib.configuration.value.ConfigValue;
+
 public interface StandardMeta {

    /**
-     * To mark the {@link cc.carm.lib.configuration.value.ConfigValue} as a minimal unit path.
+     * To mark the {@link ConfigValue} instance of specific path.
     */
-    ConfigurationMetadata<Boolean> UNIT = ConfigurationMetadata.of(false);
+    ConfigurationMetadata<ConfigValue<?, ?>> VALUE = ConfigurationMetadata.of();

 }
@@ -23,12 +23,13 @@ public interface StandardOptions {
    ConfigurationOption<Boolean> LOAD_SUB_CLASSES = of(true);

    /**
-     * Whether to pre parse the config values.
-     * <br> if false, the values will be parsed when calling
-     * {@link cc.carm.lib.configuration.value.ConfigValue#get()}
+     * Whether to pre parse the config values,
+     * may good to set true if you want to keep the config format.
     * <br> if true, the values will be parsed when
     * {@link ConfigurationHolder#initialize(Configuration)}.
+     * <br> if false, the values will be parsed when calling
+     * {@link cc.carm.lib.configuration.value.ConfigValue#get()}
     */
-    ConfigurationOption<Boolean> PRELOAD = of(false);
+    ConfigurationOption<Boolean> PRELOAD = of(true);

 }
@@ -7,6 +7,8 @@ import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.UnmodifiableView;

 import java.util.*;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
 import java.util.stream.Stream;
@@ -29,6 +31,60 @@ public interface ConfigureSection {
    @Contract(pure = true)
    @Nullable ConfigureSection parent();

+    /**
+     * Get the current section's path from {@link #parent()} of this section.
+     *
+     * @return The current path of this section, if {@link #isRoot()}, return empty string.
+     */
+    @NotNull String path();
+
+    /**
+     * Get the full path of this section.
+     *
+     * @return The full path of this section, if {@link #isRoot()}, return empty string.
+     */
+    default @NotNull String fullPath() {
+        if (parent() == null) return "";
+        return (parent().isRoot() ? "" : parent().fullPath() + pathSeparator()) + path();
+    }
+
+    /**
+     * Get the path separator for the section.
+     *
+     * @return The path separator
+     */
+    default char pathSeparator() {
+        return '.';
+    }
+
+    /**
+     * Gets if this section is a root section.
+     *
+     * @return True if this section is a root section, false otherwise.
+     */
+    @Contract(pure = true)
+    default boolean isRoot() {
+        return parent() == null;
+    }
+
+    /**
+     * Gets if this section is empty.
+     *
+     * @return True if this section is empty, false otherwise.
+     */
+    default boolean isEmpty() {
+        return getValues(false).isEmpty();
+    }
+
+    /**
+     * Gets the number of keys in this section.
+     *
+     * @return Number of keys in this section.
+     */
+    default int size(boolean deep) {
+        return getKeys(deep).size();
+    }
+
    /**
     * Gets a set containing all keys in this section.
     * <p>
@@ -47,6 +103,17 @@ public interface ConfigureSection {
        return getValues(deep).keySet();
    }

+    /**
+     * Gets a set containing all primary keys in this section.
+     *
+     * @return Set of keys contained within this Section.
+     */
+    @NotNull
+    @UnmodifiableView
+    default Set<String> keys() {
+        return getKeys(false);
+    }
+
    /**
     * Gets a set containing all values in this section.
     * <p>
@@ -63,6 +130,47 @@ public interface ConfigureSection {
    @UnmodifiableView
    Map<String, Object> getValues(boolean deep);

+    /**
+     * Gets a set containing all key-values in this section.
+     *
+     * @return Map of data values contained within this Section.
+     * @see #getValues(boolean)
+     */
+    @NotNull
+    @UnmodifiableView
+    default Map<String, Object> values() {
+        return getValues(false);
+    }
+
+    /**
+     * Get this section as a map.
+     * <p>
+     * In this map, child {@link ConfigureSection}s will also be represented as {@link Map}s.
+     *
+     * @return Map of data values contained within this Section.
+     */
+    @NotNull
+    @UnmodifiableView
+    Map<String, Object> asMap();
+
+    /**
+     * Create a stream of all values in this section.
+     *
+     * @return Stream of all values in this section.
+     */
+    default Stream<Map.Entry<String, Object>> stream() {
+        return values().entrySet().stream();
+    }
+
+    /**
+     * Iterates over all key-values in this section (include child sections)
+     *
+     * @param action The action to apply to each key.
+     */
+    default void forEach(@NotNull BiConsumer<String, Object> action) {
+        values().forEach(action);
+    }
+
    /**
     * Sets the value at the given path.
     * <p>
@@ -85,6 +193,19 @@ public interface ConfigureSection {
     */
    void remove(@NotNull String path);

+    /**
+     * Check if the given path is present.
+     * <p>
+     * Path separator depends on holder's
+     * {@link cc.carm.lib.configuration.source.option.StandardOptions#PATH_SEPARATOR}
+     *
+     * @param path The path to check.
+     * @return True if the value is present, false otherwise.
+     */
+    default boolean contains(@NotNull String path) {
+        return getKeys(true).contains(path);
+    }
+
    /**
     * Check if the value of given path is present.
     * <p>
@@ -94,7 +215,9 @@ public interface ConfigureSection {
     * @param path The path to check.
     * @return True if the value is present, false otherwise.
     */
-    boolean contains(@NotNull String path);
+    default boolean containsValue(@NotNull String path) {
+        return get(path) != null;
+    }

    /**
     * Predicate the value of given path is specific type.
@@ -124,7 +247,10 @@ public interface ConfigureSection {
     * @param path The path to get the  {@link List}.
     * @return The list if the path exists and is a list, otherwise null.
     */
-    @Nullable List<?> getList(@NotNull String path);
+    default @Nullable List<?> getList(@NotNull String path) {
+        Object val = get(path);
+        return (val instanceof List<?>) ? (List<?>) val : null;
+    }

    /**
     * Predicate the value of given path is a {@link ConfigureSection}.
@@ -143,7 +269,123 @@ public interface ConfigureSection {
     * @return The section if the path exists and is a section, otherwise null.
     */
    @Nullable
-    ConfigureSection getSection(@NotNull String path);
+    default ConfigureSection getSection(@NotNull String path) {
+        Object val = get(path);
+        return (val instanceof ConfigureSection) ? (ConfigureSection) val : null;
+    }
+
+    /**
+     * Creates a new {@link ConfigureSection} with specified values.
+     * <p> The {@link #parent()} of the new section will be this section.
+     * <p> This section will not be saved until {@link #set(String, Object)} is called.
+     * <p> If you want to create and use a section and set it to this section, use {@link #computeSection(String)}.
+     *
+     * @param data The data to be used to create section.
+     * @return Newly created section
+     */
+    @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Map<?, ?> data);
+
+    /**
+     * Creates a new {@link ConfigureSection} with specified values.
+     * <p> The {@link #parent()} of the new section will be this section.
+     *
+     * @param data The data to be used to create section.
+     * @return Newly created section
+     */
+    default @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Consumer<Map<String, Object>> data) {
+        return createSection(path, () -> {
+            Map<String, Object> map = new LinkedHashMap<>();
+            data.accept(map);
+            return map;
+        });
+    }
+
+    /**
+     * Creates a new {@link ConfigureSection} with specified values.
+     * <p> The {@link #parent()} of the new section will be this section.
+     *
+     * @param data The data to be used to create section.
+     * @return Newly created section
+     */
+    default @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Supplier<Map<String, Object>> data) {
+        return createSection(path, data.get());
+    }
+
+    /**
+     * Creates a new empty {@link ConfigureSection}.
+     * <p> The {@link #parent()} of the new section will be this section.
+     *
+     * @return Newly created section
+     */
+    default @NotNull ConfigureSection createSection(@NotNull String path) {
+        return createSection(path, new LinkedHashMap<>());
+    }
+
+    /**
+     * Get or create a section at the given path.
+     * <p>
+     * Any value previously set at this path will be replaced if it is not a section
+     * or will be returned if it is an exists {@link ConfigureSection}.
+     *
+     * @param path The path to get the section from.
+     * @return The section at the path, or a new section if it does not exist.
+     * @see #createSection(String, Map)
+     */
+    default @NotNull ConfigureSection computeSection(@NotNull String path) {
+        return computeSection(path, new LinkedHashMap<>());
+    }
+
+    /**
+     * Get or create a section at the given path.
+     * <p>
+     * Any value previously set at this path will be replaced if it is not a section
+     * or will be returned if it is an exists {@link ConfigureSection}.
+     *
+     * @param path The path to get the section from.
+     * @return The section at the path, or a new section if it does not exist.
+     * @see #createSection(String, Map)
+     */
+    default @NotNull ConfigureSection computeSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        ConfigureSection current = getSection(path);
+        if (current == null) {
+            current = createSection(path, data);
+            set(path, current);
+        }
+        return current;
+    }
+
+    /**
+     * Get or create a section at the given path.
+     * <p>
+     * Any value previously set at this path will be replaced if it is not a section
+     * or will be returned if it is an exists {@link ConfigureSection}.
+     *
+     * @param path The path to get the section from.
+     * @return The section at the path, or a new section if it does not exist.
+     * @see #createSection(String, Map)
+     */
+    default @NotNull ConfigureSection computeSection(@NotNull String path, @NotNull Consumer<Map<String, Object>> data) {
+        return computeSection(path, () -> {
+            Map<String, Object> map = new LinkedHashMap<>();
+            data.accept(map);
+            return map;
+        });
+    }
+
+    /**
+     * Get or create a section at the given path.
+     * <p>
+     * Any value previously set at this path will be replaced if it is not a section
+     * or will be returned if it is an exists {@link ConfigureSection}.
+     *
+     * @param path The path to get the section from.
+     * @return The section at the path, or a new section if it does not exist.
+     * @see #createSection(String, Map)
+     */
+    default @NotNull ConfigureSection computeSection(@NotNull String path, @NotNull Supplier<Map<String, Object>> data) {
+        return computeSection(path, data.get());
+    }
+

    /**
     * Get the origin value of the path.
@@ -235,7 +477,7 @@ public interface ConfigureSection {
     * @return The boolean if the path exists and is a boolean, otherwise false.
     */
    default boolean getBoolean(@NotNull String path) {
-        return getBoolean(path, false);
+        return getBoolean(path, null);
    }

    /**
@@ -267,7 +509,7 @@ public interface ConfigureSection {
     * @return The byte if the path exists and is a byte, otherwise 0.
     */
    default @Nullable Byte getByte(@NotNull String path) {
-        return getByte(path, (byte) 0);
+        return getByte(path, null);
    }

    /**
@@ -299,7 +541,7 @@ public interface ConfigureSection {
     * @return The short if the path exists and is a short, otherwise 0.
     */
    default @Nullable Short getShort(@NotNull String path) {
-        return getShort(path, (short) 0);
+        return getShort(path, null);
    }

    /**
@@ -318,7 +560,7 @@ public interface ConfigureSection {
     * Predicate the value of given path is a {@link Integer}.
     *
     * @param path The path to check.
-     * @return True if the value is present and is a int, false otherwise.
+     * @return True if the value is present and is an int, false otherwise.
     */
    default boolean isInt(@NotNull String path) {
        return isType(path, Integer.class);
@@ -328,10 +570,10 @@ public interface ConfigureSection {
     * Get the value as a {@link Integer} from the specified path.
     *
     * @param path The path to get the int.
-     * @return The int if the path exists and is a int, otherwise 0.
+     * @return The int if the path exists and is an int, otherwise 0.
     */
    default @Nullable Integer getInt(@NotNull String path) {
-        return getInt(path, 0);
+        return getInt(path, null);
    }

    /**
@@ -339,7 +581,7 @@ public interface ConfigureSection {
     *
     * @param path The path to get the int.
     * @param def  The default value to return if the path does not exist.
-     * @return The int if the path exists and is a int, otherwise the default value.
+     * @return The int if the path exists and is an int, otherwise the default value.
     */
    @Contract("_, !null -> !null")
    default @Nullable Integer getInt(@NotNull String path, @Nullable Integer def) {
@@ -364,7 +606,7 @@ public interface ConfigureSection {
     * @return The long if the path exists and is a long, otherwise 0.
     */
    default @Nullable Long getLong(@NotNull String path) {
-        return getLong(path, 0L);
+        return getLong(path, null);
    }

    /**
@@ -396,7 +638,7 @@ public interface ConfigureSection {
     * @return The float if the path exists and is a float, otherwise 0.
     */
    default @Nullable Float getFloat(@NotNull String path) {
-        return getFloat(path, 0.0F);
+        return getFloat(path, null);
    }

    /**
@@ -428,7 +670,7 @@ public interface ConfigureSection {
     * @return The double if the path exists and is a double, otherwise 0.
     */
    default @Nullable Double getDouble(@NotNull String path) {
-        return getDouble(path, 0.0D);
+        return getDouble(path, null);
    }

    /**
@@ -450,7 +692,7 @@ public interface ConfigureSection {
     * @return True if the value is present and is a char, false otherwise.
     */
    default boolean isChar(@NotNull String path) {
-        return isType(path, Boolean.class);
+        return isType(path, Character.class);
    }

    /**
@@ -508,7 +750,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get a list of values from the section
+     * Get a list of values from current section
     * <p>
     * If the path does not exist, an empty list will be returned
     * <br>Any changes please use {@link #set(String, Object)} after changes
@@ -523,7 +765,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get a list of strings from the section
+     * Get a list of strings from current section
     * <p> Limitations see {@link #getList(String, DataFunction)}
     *
     * @param path The path to get the list from
@@ -534,7 +776,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get a list of integer from the section
+     * Get a list of integer from current section
     * <p> Limitations see {@link #getList(String, DataFunction)}
     *
     * @param path The path to get the list from
@@ -545,7 +787,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get a list of long from the section
+     * Get a list of long from current section
     * <p> Limitations see {@link #getList(String, DataFunction)}
     *
     * @param path The path to get the list from
@@ -556,7 +798,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get a list of double from the section
+     * Get a list of double from current section
     * <p> Limitations see {@link #getList(String, DataFunction)}
     *
     * @param path The path to get the list from
@@ -567,7 +809,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get a list of floats from the section
+     * Get a list of floats from current section
     * <p> Limitations see {@link #getList(String, DataFunction)}
     *
     * @param path The path to get the list from
@@ -578,7 +820,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get a list of bytes from the section
+     * Get a list of bytes from current section
     * <p> Limitations see {@link #getList(String, DataFunction)}
     *
     * @param path The path to get the list from
@@ -589,7 +831,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get a list of char from the section
+     * Get a list of char from current section
     * <p> Limitations see {@link #getList(String, DataFunction)}
     *
     * @param path The path to get the list from
@@ -600,7 +842,22 @@ public interface ConfigureSection {
    }

    /**
-     * Get the specific type of collection from the section.
+     * Get a list of {@link ConfigureSection} from current section
+     *
+     * @param path The path to get the list from
+     * @return The list of {@link ConfigureSection}
+     */
+    default @NotNull List<ConfigureSection> getSectionList(@NotNull String path) {
+        return getList(path, obj -> {
+            if (obj instanceof ConfigureSection) {
+                return (ConfigureSection) obj;
+            }
+            return null;
+        });
+    }
+
+    /**
+     * Get the specific type of collection from current section.
     *
     * @param path        The path to get the collection from
     * @param constructor The constructor of the collection
@@ -616,7 +873,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get the specific type of steam from the section.
+     * Get the specific type of steam from current section.
     *
     * @param path The path to get the stream from
     * @return The stream of values
@@ -627,7 +884,7 @@ public interface ConfigureSection {
    }

    /**
-     * Get the specific type of steam from the section.
+     * Get the specific type of steam from current section.
     *
     * @param path   The path to get the stream from
     * @param parser The function to parse the values
@@ -638,8 +895,14 @@ public interface ConfigureSection {
        return stream(path).map(parser);
    }

+    default String childPath(String path) {
+        int index = path.indexOf(pathSeparator());
+        return (index == -1) ? path : path.substring(index + 1);
+    }
+
    static <T, C extends Collection<T>> @NotNull C parseCollection(
-            @Nullable List<?> data, @NotNull Supplier<C> constructor,
+            @Nullable List<?> data,
+            @NotNull Supplier<C> constructor,
            @NotNull DataFunction<Object, T> parser
    ) {
        C values = constructor.get();
@@ -2,13 +2,10 @@ package cc.carm.lib.configuration.source.section;

 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.option.StandardOptions;
-import org.jetbrains.annotations.ApiStatus;
-import org.jetbrains.annotations.Contract;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.*;

-import java.util.List;
 import java.util.Map;
+import java.util.Set;

 /**
 * ConfigureSource represents the source of configuration,
@@ -17,6 +14,7 @@ import java.util.Map;
 * @param <SECTION>  The type of the root section.
 * @param <ORIGINAL> The original configuration object.
 * @param <SELF>     The type of the source itself, for further implement support.
+ * @see ConfigureSection
 */
 public abstract class ConfigureSource<
        SECTION extends ConfigureSection, ORIGINAL,
@@ -94,36 +92,41 @@ public abstract class ConfigureSource<
        return null;
    }

+    @Override
+    public @NotNull String path() {
+        return "";
+    }
+
    @Override
    public @NotNull Map<String, Object> getValues(boolean deep) {
        return section().getValues(deep);
    }

+    @Override
+    public @NotNull @UnmodifiableView Set<String> getKeys(boolean deep) {
+        return section().getKeys(deep);
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Map<String, Object> asMap() {
+        return section().asMap();
+    }
+
+    @Override
+    public @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        return section().createSection(path, data);
+    }
+
    @Override
    public void set(@NotNull String path, @Nullable Object value) {
        section().set(path, value);
    }

-    @Override
-    public boolean contains(@NotNull String path) {
-        return section().contains(path);
-    }
-
    @Override
    public void remove(@NotNull String path) {
        section().remove(path);
    }

-    @Override
-    public @Nullable List<?> getList(@NotNull String path) {
-        return section().getList(path);
-    }
-
-    @Override
-    public @Nullable ConfigureSection getSection(@NotNull String path) {
-        return section().getSection(path);
-    }
-
    @Override
    public @Nullable Object get(@NotNull String path) {
        return section().get(path);
@@ -33,9 +33,9 @@ import java.util.Optional;
 * @see ValueManifest Base class providing metadata and default value handling
 * @see ConfigurationHolder Responsible for configuration source persistence
 */
-public abstract class ConfigValue<T> extends ValueManifest<T> {
+public abstract class ConfigValue<T, U> extends ValueManifest<T, U> {

-    protected ConfigValue(@NotNull ValueManifest<T> manifest) {
+    protected ConfigValue(@NotNull ValueManifest<T, U> manifest) {
        super(manifest);
    }

@@ -1,47 +1,59 @@
 package cc.carm.lib.configuration.value;

 import cc.carm.lib.configuration.adapter.ValueType;
+import cc.carm.lib.configuration.function.ValueValidator;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetaHolder;
 import cc.carm.lib.configuration.source.section.ConfigureSource;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

 import java.util.function.BiConsumer;
 import java.util.function.Supplier;

-public class ValueManifest<T> {
+public class ValueManifest<TYPE, UNIT> {

-    protected final @NotNull ValueType<T> type;
+    protected final @NotNull ValueType<TYPE> type;
    protected final @NotNull BiConsumer<@NotNull ConfigurationHolder<?>, @NotNull String> initializer;

    protected @Nullable ConfigurationHolder<?> holder;
    protected @Nullable String path; // Section path

-    protected @NotNull Supplier<@Nullable T> defaultSupplier;
+    protected @NotNull ValueValidator<UNIT> validator;
+    protected @NotNull Supplier<@Nullable TYPE> defaultSupplier;

-
-    public ValueManifest(@NotNull ValueType<T> type) {
-        this(type, () -> null, EMPTY_INITIALIZER, null, null);
+    public ValueManifest(@NotNull ValueType<TYPE> type) {
+        this(type, () -> null, ValueValidator.none(), EMPTY_INITIALIZER, null, null);
    }

-    public ValueManifest(@NotNull T defaultValue) {
+    public ValueManifest(@NotNull TYPE defaultValue) {
        this(ValueType.of(defaultValue), () -> defaultValue);
    }

-    public ValueManifest(@NotNull ValueType<T> type, @NotNull Supplier<@Nullable T> defaultSupplier) {
-        this(type, defaultSupplier, EMPTY_INITIALIZER, null, null);
+    public ValueManifest(@NotNull ValueType<TYPE> type, @NotNull Supplier<@Nullable TYPE> defaultSupplier) {
+        this(type, defaultSupplier, ValueValidator.none(), EMPTY_INITIALIZER, null, null);
    }

-    public ValueManifest(@NotNull ValueType<T> type, @NotNull Supplier<@Nullable T> defaultSupplier,
+    public ValueManifest(@NotNull ValueType<TYPE> type,
+                         @NotNull Supplier<@Nullable TYPE> defaultSupplier,
+                         @NotNull ValueValidator<UNIT> validator) {
+        this(type, defaultSupplier, validator, EMPTY_INITIALIZER, null, null);
+    }
+
+    public ValueManifest(@NotNull ValueType<TYPE> type, @NotNull Supplier<@Nullable TYPE> defaultSupplier,
+                         @NotNull ValueValidator<UNIT> validator,
                         @NotNull BiConsumer<@NotNull ConfigurationHolder<?>, @NotNull String> initializer) {
-        this(type, defaultSupplier, initializer, null, null);
+        this(type, defaultSupplier, validator, initializer, null, null);
    }

-    public ValueManifest(@NotNull ValueType<T> type, @NotNull Supplier<@Nullable T> defaultSupplier,
+    public ValueManifest(@NotNull ValueType<TYPE> type,
+                         @NotNull Supplier<@Nullable TYPE> defaultSupplier,
+                         @NotNull ValueValidator<UNIT> validator,
                         @NotNull BiConsumer<@NotNull ConfigurationHolder<?>, @NotNull String> initializer,
                         @Nullable ConfigurationHolder<?> holder, @Nullable String path) {
        this.type = type;
+        this.validator = validator;
        this.initializer = initializer;
        this.defaultSupplier = defaultSupplier;
        this.holder = holder;
@@ -49,8 +61,8 @@ public class ValueManifest<T> {
        initialize();
    }

-    protected ValueManifest(@NotNull ValueManifest<T> manifest) {
-        this(manifest.type, manifest.defaultSupplier, manifest.initializer, manifest.holder, manifest.path);
+    protected ValueManifest(@NotNull ValueManifest<TYPE, UNIT> manifest) {
+        this(manifest.type, manifest.defaultSupplier, manifest.validator, manifest.initializer, manifest.holder, manifest.path);
    }

    public void initialize(@NotNull ConfigurationHolder<?> holder, @NotNull String path) {
@@ -63,7 +75,7 @@ public class ValueManifest<T> {
        if (holder != null && path != null) this.initializer.accept(holder, path);
    }

-    public @NotNull ValueType<T> type() {
+    public @NotNull ValueType<TYPE> type() {
        return this.type;
    }

@@ -75,50 +87,77 @@ public class ValueManifest<T> {
        this.path = path;
    }

-    public @Nullable T defaults() {
+    public @Nullable TYPE defaults() {
        return this.defaultSupplier.get();
    }

-    public void defaults(@Nullable T defaultValue) {
+    public void defaults(@Nullable TYPE defaultValue) {
        defaults(() -> defaultValue);
    }

-    public void defaults(@NotNull Supplier<@Nullable T> defaultValue) {
+    public void defaults(@NotNull Supplier<@Nullable TYPE> defaultValue) {
        this.defaultSupplier = defaultValue;
    }

    public boolean hasDefaults() {
-        return this.defaultSupplier.get() != null;
+        return defaults() != null;
+    }
+
+    public @NotNull ValueValidator<UNIT> validator() {
+        return this.validator;
+    }
+
+    public void validator(@NotNull ValueValidator<UNIT> validator) {
+        this.validator = validator;
+    }
+
+    public void validate(@NotNull ValueValidator<UNIT> validator) {
+        validator(this.validator.and(validator));
+    }
+
+    protected UNIT withValidated(@Nullable UNIT value) throws Exception {
+        validator.validate(holder(), value);
+        return value;
    }

    public @NotNull String path() {
        if (path != null) return path;
-        else throw new IllegalStateException("No section path provided.");
+        else throw new IllegalStateException("No section path provided for Value(" + type() + ").");
    }

    public @NotNull ConfigurationHolder<?> holder() {
        if (this.holder != null) return this.holder;
-        throw new IllegalStateException("Value does not have a provider.");
+        throw new IllegalStateException("Value(" + type() + ") does not have a provider.");
    }

    public @NotNull ConfigureSource<?, ?, ?> config() {
        return holder().config();
    }

-    public ConfigurationMetaHolder metadata() {
+    public @NotNull ConfigurationMetaHolder metadata() {
        return holder().metadata(path());
    }

-    protected Object getData() {
+    @ApiStatus.Internal
+    protected @Nullable Object getData() {
        return config().get(path());
    }

+    @ApiStatus.Internal
    protected void setData(@Nullable Object value) {
        config().set(path(), value);
    }

+    protected void throwing(@NotNull Throwable throwable) {
+        throwing(path, throwable);
+    }

-    private static final @NotNull BiConsumer<@NotNull ConfigurationHolder<?>, @NotNull String> EMPTY_INITIALIZER = (provider, path) -> {
+    protected void throwing(@NotNull String path, @NotNull Throwable throwable) {
+        if (holder == null) throwable.printStackTrace();
+        else holder.throwing(path, throwable);
+    }
+
+    private static final @NotNull BiConsumer<@NotNull ConfigurationHolder<?>, @NotNull String> EMPTY_INITIALIZER = (provider, valuePath) -> {
    };

 }
@@ -9,12 +9,12 @@ import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

-public abstract class CachedConfigValue<T> extends ConfigValue<T> {
+public abstract class CachedConfigValue<T, U> extends ConfigValue<T, U> {

    protected @Nullable T cachedValue;
    protected long parsedTime = -1;

-    protected CachedConfigValue(@NotNull ValueManifest<T> manifest) {
+    protected CachedConfigValue(@NotNull ValueManifest<T, U> manifest) {
        super(manifest);
    }

@@ -5,6 +5,7 @@ import cc.carm.lib.configuration.adapter.ValueParser;
 import cc.carm.lib.configuration.adapter.ValueSerializer;
 import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.builder.list.ConfigListBuilder;
+import cc.carm.lib.configuration.builder.list.SourceListBuilder;
 import cc.carm.lib.configuration.value.ValueManifest;
 import cc.carm.lib.configuration.value.impl.CachedConfigValue;
 import org.jetbrains.annotations.NotNull;
@@ -15,7 +16,7 @@ import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;

-public class ConfiguredList<V> extends CachedConfigValue<List<V>> implements List<V> {
+public class ConfiguredList<V> extends CachedConfigValue<List<V>, V> implements List<V> {

    public static <T> @NotNull ConfigListBuilder<T> builderOf(@NotNull Class<T> type) {
        return builderOf(ValueType.of(type));
@@ -25,10 +26,26 @@ public class ConfiguredList<V> extends CachedConfigValue<List<V>> implements Lis
        return new ConfigListBuilder<>(type);
    }

+    public static <T> @NotNull SourceListBuilder<T, T> with(@NotNull Class<T> registeredType) {
+        return with(ValueType.of(registeredType));
+    }
+
+    public static <T> @NotNull SourceListBuilder<T, T> with(@NotNull ValueType<T> registeredType) {
+        return new ConfigListBuilder<>(registeredType).from(registeredType);
+    }
+
+    @SafeVarargs
+    public static <T> @NotNull ConfiguredList<T> of(@NotNull T value, @NotNull T... values) {
+        List<T> list = new ArrayList<>();
+        list.add(value);
+        Collections.addAll(list, values);
+        return with(ValueType.of(value)).defaults(list).build();
+    }
+
    protected final @NotNull Supplier<? extends List<V>> constructor;
    protected final @NotNull ValueAdapter<V> paramAdapter;

-    public ConfiguredList(@NotNull ValueManifest<List<V>> manifest,
+    public ConfiguredList(@NotNull ValueManifest<List<V>, V> manifest,
                          @NotNull Supplier<? extends List<V>> constructor,
                          @NotNull ValueAdapter<V> paramAdapter) {
        super(manifest);
@@ -70,40 +87,46 @@ public class ConfiguredList<V> extends CachedConfigValue<List<V>> implements Lis
        if (!cacheExpired()) return getCachedOrDefault(createList());
        // Data that is outdated and needs to be parsed again.
        List<V> list = createList();
+        try {
            List<?> data = config().contains(path()) ? config().getList(path()) : null;
            if (data == null) return getDefaultFirst(list);

            ValueParser<V> parser = parser();
            if (parser == null) return getDefaultFirst(list);

+            int i = 0;
            for (Object dataVal : data) {
                if (dataVal == null) continue;
                try {
-                list.add(parser.parse(holder(), paramType(), dataVal));
+                    list.add(withValidated(parser.parse(holder(), paramType(), dataVal)));
                } catch (Exception e) {
-                e.printStackTrace();
+                    throwing(path + "[" + i + "]", e);
                }
            }
+        } catch (Exception ex) {
+            throwing(ex);
+        }
        return updateCache(list);
    }

    @Override
-    public void set(@Nullable List<V> value) {
-        updateCache(value);
-        if (value == null) {
+    public void set(@Nullable List<V> list) {
+        updateCache(list);
+        if (list == null) {
            setData(null);
            return;
        }

        ValueSerializer<V> serializer = serializer();
        if (serializer == null) return;
+
        List<Object> data = new ArrayList<>();
-        for (V val : value) {
+        for (V val : list) {
            if (val == null) continue;
            try {
-                data.add(serializer.serialize(holder(), paramType(), val));
+                data.add(serializer.serialize(holder(), paramType(), withValidated(val)));
            } catch (Exception ex) {
-                ex.printStackTrace();
+                throwing(ex);
            }
        }
        setData(data);
@@ -17,7 +17,11 @@ import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;

-public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements Map<K, V> {
+public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>, V> implements Map<K, V> {
+
+    public static <V> ConfigMapCreator<String, V> builderOf(@NotNull Class<V> valueType) {
+        return builderOf(String.class, valueType);
+    }

    public static <K, V> ConfigMapCreator<K, V> builderOf(@NotNull ValueType<K> keyType, @NotNull ValueType<V> valueType) {
        return new ConfigMapCreator<>(keyType, valueType);
@@ -38,7 +42,7 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
    protected final @NotNull ValueAdapter<K> keyAdapter;
    protected final @NotNull ValueAdapter<V> valueAdapter;

-    public ConfiguredMap(@NotNull ValueManifest<Map<K, V>> manifest,
+    public ConfiguredMap(@NotNull ValueManifest<Map<K, V>, V> manifest,
                         @NotNull Supplier<? extends Map<K, V>> constructor,
                         @NotNull ValueAdapter<K> keyAdapter, @NotNull ValueAdapter<V> valueAdapter) {
        super(manifest);
@@ -73,6 +77,7 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
        // If the value is expired, we need to update it
        Map<K, V> map = createMap();

+        try {
            ConfigureSection section = config().getSection(path());
            if (section == null) return getDefaultFirst(map);

@@ -80,8 +85,9 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
            if (keys.isEmpty()) return getDefaultFirst(map);

            ValueParser<K> keyParser = parserFor(keyAdapter);
+            if (keyParser == null) return getDefaultFirst(map);
            ValueParser<V> valueParser = parserFor(valueAdapter);
-        if (keyParser == null || valueParser == null) return getDefaultFirst(map);
+            if (valueParser == null) return getDefaultFirst(map);

            for (String dataKey : keys) {
                Object dataVal = section.get(dataKey);
@@ -89,11 +95,14 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
                try {
                    K key = keyParser.parse(holder(), keyType(), dataKey);
                    V value = valueParser.parse(holder(), valueType(), dataVal);
-                map.put(key, value);
+                    map.put(key, withValidated(value));
                } catch (Exception e) {
-                e.printStackTrace();
+                    throwing(path + "." + dataKey, e);
                }
            }
+        } catch (Exception ex) {
+            throwing(ex);
+        }

        return updateCache(map);
    }
@@ -115,9 +124,11 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
            return;
        }

+        try {
            ValueSerializer<K> keySerializer = serializerFor(keyAdapter);
+            if (keySerializer == null) return;
            ValueSerializer<V> valueSerializer = serializerFor(valueAdapter);
-        if (keySerializer == null || valueSerializer == null) return;
+            if (valueSerializer == null) return;

            Map<Object, Object> data = new LinkedHashMap<>();

@@ -125,13 +136,16 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
                try {
                    data.put(
                            keySerializer.serialize(holder(), keyType(), entry.getKey()),
-                        valueSerializer.serialize(holder(), valueType(), entry.getValue())
+                            valueSerializer.serialize(holder(), valueType(), withValidated(entry.getValue()))
                    );
                } catch (Exception e) {
-                e.printStackTrace();
+                    throwing(path + "." + entry.getKey(), e);
                }
            }
            setData(data);
+        } catch (Exception ex) {
+            throwing(ex);
+        }
    }

    public <T> @NotNull T handle(Function<Map<K, V>, T> function) {
@@ -5,6 +5,8 @@ import cc.carm.lib.configuration.adapter.ValueParser;
 import cc.carm.lib.configuration.adapter.ValueSerializer;
 import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.builder.value.ConfigValueBuilder;
+import cc.carm.lib.configuration.builder.value.SourceValueBuilder;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.value.ValueManifest;
 import cc.carm.lib.configuration.value.impl.CachedConfigValue;
 import org.jetbrains.annotations.NotNull;
@@ -12,16 +14,54 @@ import org.jetbrains.annotations.Nullable;

 import java.util.function.Supplier;

-public class ConfiguredValue<V> extends CachedConfigValue<V> {
+public class ConfiguredValue<V> extends CachedConfigValue<V, V> {

+    /**
+     * Create a new value builder.
+     *
+     * @param type The type of the value.
+     * @param <V>  The type of the value.
+     * @return a {@link ConfigValueBuilder} with the specified type.
+     */
    public static <V> ConfigValueBuilder<V> builderOf(@NotNull Class<V> type) {
        return new ConfigValueBuilder<>(ValueType.of(type));
    }

+    /**
+     * Create a new value builder.
+     *
+     * @param type The type of the value.
+     * @param <V>  The type of the value.
+     * @return a {@link ConfigValueBuilder} with the specified type.
+     */
    public static <V> ConfigValueBuilder<V> builderOf(@NotNull ValueType<V> type) {
        return new ConfigValueBuilder<>(type);
    }

+    /**
+     * Create a new value builder with the specified {@link ConfigurationHolder#registeredValues()} type.
+     *
+     * @param registeredType The type of the value.
+     * @param <V>            The type of the value.
+     * @return a {@link SourceValueBuilder} with the specified registered type.
+     * @see ValueAdapter
+     */
+    public static <V> SourceValueBuilder<V, V> with(@NotNull Class<V> registeredType) {
+        return with(ValueType.of(registeredType));
+    }
+
+    /**
+     * Create a new value builder with the specified {@link ConfigurationHolder#registeredValues()} type.
+     *
+     * @param registeredType The type of the value.
+     * @param <V>            The type of the value.
+     * @return a {@link SourceValueBuilder} with the specified registered type.
+     * @see ValueAdapter
+     */
+    public static <V> SourceValueBuilder<V, V> with(@NotNull ValueType<V> registeredType) {
+        return new ConfigValueBuilder<>(registeredType).from(registeredType);
+    }
+
    public static <V> ConfiguredValue<V> of(@NotNull V defaults) {
        return of(ValueType.of(defaults), () -> defaults);
    }
@@ -51,7 +91,7 @@ public class ConfiguredValue<V> extends CachedConfigValue<V> {
        );
    }

-    public static <V> ConfiguredValue<V> of(@NotNull ValueManifest<V> manifest,
+    public static <V> ConfiguredValue<V> of(@NotNull ValueManifest<V, V> manifest,
                                            @Nullable ValueParser<V> parser,
                                            @Nullable ValueSerializer<V> serializer) {
        ValueAdapter<V> adapter = new ValueAdapter<>(manifest.type());
@@ -60,13 +100,13 @@ public class ConfiguredValue<V> extends CachedConfigValue<V> {
        return of(manifest, adapter);
    }

-    public static <V> ConfiguredValue<V> of(@NotNull ValueManifest<V> manifest, @NotNull ValueAdapter<V> adapter) {
+    public static <V> ConfiguredValue<V> of(@NotNull ValueManifest<V, V> manifest, @NotNull ValueAdapter<V> adapter) {
        return new ConfiguredValue<>(manifest, adapter);
    }

    protected final @NotNull ValueAdapter<V> adapter;

-    public ConfiguredValue(@NotNull ValueManifest<V> manifest, @NotNull ValueAdapter<V> adapter) {
+    public ConfiguredValue(@NotNull ValueManifest<V, V> manifest, @NotNull ValueAdapter<V> adapter) {
        super(manifest);
        this.adapter = adapter;
    }
@@ -97,18 +137,19 @@ public class ConfiguredValue<V> extends CachedConfigValue<V> {
        if (!cacheExpired()) return getCachedOrDefault();
        // Data that is outdated and needs to be parsed again.

+        try {
            Object data = getData();
            if (data == null) return defaults();

            ValueParser<V> parser = parser();
            if (parser == null) return defaults(); // No parser, return default value.

-        try {
            // If there are no errors, update the cache and return.
-            return updateCache(parser.parse(holder(), type(), data));
+            V parsed = parser.parse(holder(), type(), data);
+            return updateCache(withValidated(parsed));
        } catch (Exception e) {
-            // There was a parsing error, prompted and returned the default value.
-            e.printStackTrace();
+            // There was a validate or parsing error, prompted and returned the default value.
+            throwing(e);
            return defaults();
        }

@@ -121,20 +162,20 @@ public class ConfiguredValue<V> extends CachedConfigValue<V> {
     * @param value The value to be set
     */
    @Override
-    public void set(V value) {
+    public void set(@Nullable V value) {
        updateCache(value); // Update cache
        if (value == null) {
            setData(null);
            return;
        }

+        try {
            ValueSerializer<V> serializer = serializer();
            if (serializer == null) return; // No serializer, do nothing.

-        try {
-            setData(serializer.serialize(holder(), type(), value));
+            setData(serializer.serialize(holder(), type(), withValidated(value)));
        } catch (Exception e) {
-            e.printStackTrace();
+            throwing(e);
        }

    }
@@ -3,9 +3,9 @@
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
        <groupId>cc.carm.lib</groupId>
-        <version>4.0.4</version>
+        <version>4.1.5</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <properties>
@@ -13,34 +13,127 @@
        <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+        <maven.javadoc.skip>true</maven.javadoc.skip>
+        <maven.deploy.skip>true</maven.deploy.skip>
+
+        <deps.mysql-driver.version>8.0.33</deps.mysql-driver.version>
+        <log4j.version>2.24.3</log4j.version>
    </properties>
-    <artifactId>easyconfiguration-demo</artifactId>
+    <artifactId>configured-demo</artifactId>
    <packaging>jar</packaging>

    <dependencies>

        <dependency>
            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
            <version>${project.parent.version}</version>
-            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-commentable</artifactId>
+            <artifactId>configured-feature-commentable</artifactId>
            <version>${project.parent.version}</version>
-            <scope>compile</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-feature-versioned</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-feature-validators</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-feature-kotlin</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-yaml</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-gson</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-sql</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>cc.carm.lib</groupId>
+            <artifactId>easysql-beecp</artifactId>
+            <version>0.4.7</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>${deps.mysql-driver.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-mongodb</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-hocon</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+            <version>${kotlin.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
        </dependency>

    </dependencies>

    <build>
        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
@@ -53,6 +146,71 @@
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-javadoc-plugin</artifactId>
            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                        <configuration>
+                            <sourceDirs>
+                                <source>src/main/java</source>
+                                <source>target/generated-sources/annotations</source>
+                            </sourceDirs>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>test-compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <jvmTarget>1.8</jvmTarget>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>default-compile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>default-testCompile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>testCompile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>testCompile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
        </plugins>
    </build>

@@ -3,11 +3,10 @@ package cc.carm.lib.configuration.demo;
 import cc.carm.lib.configuration.Configuration;
 import cc.carm.lib.configuration.annotation.ConfigPath;
 import cc.carm.lib.configuration.annotation.HeaderComments;
-import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;

@HeaderComments({"", "数据库配置", "  用于提供数据库连接，进行数据库操作。"})
-public class DatabaseConfiguration implements Configuration {
+public interface DatabaseConfiguration extends Configuration {

    @ConfigPath("driver")
    @HeaderComments({
@@ -16,18 +15,19 @@ public class DatabaseConfiguration implements Configuration {
            "- MySQL(新): com.mysql.cj.jdbc.Driver",
            "- MariaDB(推荐): org.mariadb.jdbc.Driver",
    })
-    protected static final ConfigValue<String> DRIVER_NAME = ConfiguredValue.of(
+    ConfiguredValue<String> DRIVER_NAME = ConfiguredValue.of(
            String.class, "com.mysql.cj.jdbc.Driver"
    );

-    protected static final ConfigValue<String> HOST = ConfiguredValue.of(String.class, "127.0.0.1");
-    protected static final ConfigValue<Integer> PORT = ConfiguredValue.of(Integer.class, 3306);
-    protected static final ConfigValue<String> DATABASE = ConfiguredValue.of(String.class, "minecraft");
-    protected static final ConfigValue<String> USERNAME = ConfiguredValue.of(String.class, "root");
-    protected static final ConfigValue<String> PASSWORD = ConfiguredValue.of(String.class, "password");
-    protected static final ConfigValue<String> EXTRA = ConfiguredValue.of(String.class, "?useSSL=false");
+    ConfiguredValue<String> HOST = ConfiguredValue.of(String.class, "127.0.0.1");
+    ConfiguredValue<Integer> PORT = ConfiguredValue.of(Integer.class, 3306);
+    ConfiguredValue<String> DATABASE = ConfiguredValue.of(String.class, "minecraft");
+    ConfiguredValue<String> USERNAME = ConfiguredValue.of(String.class, "root");
+    ConfiguredValue<String> PASSWORD = ConfiguredValue.of(String.class, "password");

-    protected static String buildJDBC() {
+    ConfiguredValue<String> EXTRA = ConfiguredValue.of(String.class, "?useSSL=false");
+
+    static String buildJDBC() {
        return String.format("jdbc:mysql://%s:%s/%s%s", HOST.get(), PORT.get(), DATABASE.get(), EXTRA.get());
    }

@@ -1,11 +1,13 @@
 package cc.carm.lib.configuration.demo.tests;

 import cc.carm.lib.configuration.demo.tests.conf.DemoConfiguration;
+import cc.carm.lib.configuration.demo.tests.conf.KotlinConfiguration;
 import cc.carm.lib.configuration.demo.tests.conf.RegistryConfig;
 import cc.carm.lib.configuration.demo.tests.model.UserRecord;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import org.jetbrains.annotations.TestOnly;

+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.UUID;
 import java.util.stream.Collectors;
@@ -69,14 +71,30 @@ public class ConfigurationTest {
        provider.initialize(TEST);

        System.out.println("> Test Inner value before:");
-        System.out.println(TEST.INSTANCE.INNER_VALUE.resolve());
+        System.out.println(TEST.INSTANCE.STATUS.resolve());

        double after = Math.random() * 200D;
        System.out.println("> Test Inner value -> " + after);
-        TEST.INSTANCE.INNER_VALUE.set(after);
+        TEST.INSTANCE.STATUS.set(after);

        System.out.println("> Test Inner value after:");
-        System.out.println(TEST.INSTANCE.INNER_VALUE.resolve());
+        System.out.println(TEST.INSTANCE.STATUS.resolve());
+
+    }
+
+    public static void testKotlin(ConfigurationHolder<?> provider) {
+        provider.initialize(KotlinConfiguration.class);
+
+        System.out.println("> Test Kotlin value before:");
+        System.out.println(KotlinConfiguration.INSTANCE.getLINKED_MAP().get());
+
+        LinkedHashMap<String, String> map = new LinkedHashMap<>();
+        map.put("Language", "Kotlin");
+        System.out.println("> Test Kotlin value -> " + map);
+        KotlinConfiguration.INSTANCE.getLINKED_MAP().set(map);
+
+        System.out.println("> Test Kotlin value after:");
+        System.out.println(KotlinConfiguration.INSTANCE.getLINKED_MAP().get());

    }

@@ -1,14 +1,9 @@
 package cc.carm.lib.configuration.demo.tests.conf;

 import cc.carm.lib.configuration.Configuration;
-import cc.carm.lib.configuration.annotation.ConfigPath;
-import cc.carm.lib.configuration.annotation.FooterComments;
-import cc.carm.lib.configuration.annotation.HeaderComments;
-import cc.carm.lib.configuration.annotation.InlineComment;
-import cc.carm.lib.configuration.demo.DatabaseConfiguration;
+import cc.carm.lib.configuration.annotation.*;
 import cc.carm.lib.configuration.demo.tests.model.ItemStack;
 import cc.carm.lib.configuration.demo.tests.model.UserRecord;
-import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.standard.ConfiguredList;
 import cc.carm.lib.configuration.value.standard.ConfiguredMap;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
@@ -24,24 +19,27 @@ import java.util.UUID;
        "------------------------------------------------",
        "此处内容将显示在配置文件的最下方",
        "可用于显示版权信息等",
-        "感谢您使用 https://github.com/CarmJos/EasyConfiguration !"
+        "感谢您使用 https://github.com/CarmJos/configured !"
 })
 public interface DemoConfiguration extends Configuration {

    @ConfigPath(root = true)
-    ConfigValue<Double> VERSION = ConfiguredValue.of(Double.class, 1.0D);
+    @ConfigVersion(2)
+    ConfiguredValue<Double> VERSION = ConfiguredValue.of(Double.class, 2.0D);

    @ConfigPath(root = true)
    @FooterComments({"此处内容将显示在配置条目的下方", "可用于补充说明，但一般不建议使用"})
-    ConfigValue<Long> TEST_NUMBER = ConfiguredValue.of(1000000L);
+    ConfiguredValue<Long> TEST_NUMBER = ConfiguredValue.with(Long.class).defaults(123456789L).build();

    @HeaderComments({"枚举类型测试"})
    @FooterComments({"上述的枚举内容本质上是通过STRING解析的"})
-    ConfigValue<ChronoUnit> TEST_ENUM = ConfiguredValue.of(ChronoUnit.class, ChronoUnit.DAYS);
+    ConfiguredValue<ChronoUnit> TEST_ENUM = ConfiguredValue.of(ChronoUnit.class, ChronoUnit.DAYS);

-    // 支持通过 Class<?> 变量标注子配置，一并注册。
-    // 注意： 若对应类也有注解，则优先使用类的注解。
-    Class<?> DATABASE = DatabaseConfiguration.class;
+    @HeaderComments({"空值测试"})
+    @InlineComment("空值Inline注释")
+    ConfiguredMap<String, String> EMPTY = ConfiguredMap.builderOf(String.class, String.class)
+            .asLinkedMap().fromString()
+            .build();

    @ConfigPath("registered_users") // 通过注解规定配置文件中的路径，若不进行注解则以变量名自动生成。
    @HeaderComments({"Section类型数据测试"}) // 通过注解给配置添加注释。
@@ -73,7 +71,7 @@ public interface DemoConfiguration extends Configuration {
    class SUB implements Configuration {

        @ConfigPath(value = "uuid-value", root = true)
-        public static final ConfigValue<UUID> UUID_CONFIG_VALUE = ConfiguredValue
+        public static final ConfiguredValue<UUID> UUID_CONFIG_VALUE = ConfiguredValue
                .builderOf(UUID.class).fromString()
                .parse((holder, data) -> UUID.fromString(data))
                .build();
@@ -2,12 +2,13 @@ package cc.carm.lib.configuration.demo.tests.conf;

 import cc.carm.lib.configuration.Configuration;
 import cc.carm.lib.configuration.annotation.HeaderComments;
-import cc.carm.lib.configuration.value.ConfigValue;
+import cc.carm.lib.configuration.annotation.ValueRange;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;

-@HeaderComments("Inner Test")
+@HeaderComments("service")
 public class InstanceConfig implements Configuration {

-    public final ConfigValue<Double> INNER_VALUE = ConfiguredValue.of(1.0D);
+    @ValueRange(min = 0, max = 100, message = "The value must be between 0 and 100")
+    public final ConfiguredValue<Double> STATUS = ConfiguredValue.of(1.0D);

 }
@@ -0,0 +1,33 @@
+package cc.carm.lib.configuration.demo.tests.conf
+
+import cc.carm.lib.configuration.Configuration
+import cc.carm.lib.configuration.annotation.ConfigPath
+import cc.carm.lib.configuration.annotation.ConfigVersion
+import cc.carm.lib.configuration.kotlin.value.*
+import java.util.*
+
+@ConfigPath(root = true)
+object KotlinConfiguration : Configuration {
+    @ConfigVersion(1)
+    val VERSION = valueFrom(Double::class) {
+        defaults(1.0)
+    }
+
+    val USER_LIST = listFrom(String::class) {
+        defaults("Carm Jos")
+    }
+
+    val NICKNAME = mapFrom(String::class, ::mutableMapOf) {
+        defaultMap(mapOf("Carm Jos" to "Carm"))
+        parse { v -> v }
+        serialize { v -> v }
+    }
+
+    val LINKED_MAP = linkedMapFrom(String::class) {
+        parse { value ->
+            value
+        }
+        serialize { v -> v }
+        defaults("key", "value")
+    }
+}
@@ -6,7 +6,6 @@ import cc.carm.lib.configuration.annotation.FooterComments;
 import cc.carm.lib.configuration.annotation.HeaderComments;
 import cc.carm.lib.configuration.annotation.InlineComment;
 import cc.carm.lib.configuration.demo.tests.model.UserRecord;
-import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;

 import java.util.UUID;
@@ -20,7 +19,7 @@ public class RegistryConfig implements Configuration {
    @FooterComments({"12313213212"})
    @InlineComment(value = "用户名(匹配注释)", regex = "name") // 通过注解给配置添加注释。
    @InlineComment(value = "信息", regex = {"info.*", "info.game.*"}) // 通过注解给配置添加注释。
-    public final ConfigValue<UserRecord> TEST_MODEL = ConfiguredValue.builderOf(UserRecord.class).fromSection()
+    public final ConfiguredValue<UserRecord> OWNER = ConfiguredValue.builderOf(UserRecord.class).fromSection()
            .defaults(new UserRecord("Carm", UUID.randomUUID()))
            .parse((holder, section) -> UserRecord.deserialize(section))
            .serialize((holder, data) -> data.serialize()).build();
@@ -33,11 +33,11 @@ public class ItemStack {
        return amount;
    }

-    public String getName() {
+    public @Nullable String getName() {
        return name;
    }

-    public List<String> getLore() {
+    public @Nullable List<String> getLore() {
        return lore;
    }

@@ -49,11 +49,11 @@ public class ItemStack {
        this.amount = amount;
    }

-    public void setName(String name) {
+    public void setName(@Nullable String name) {
        this.name = name;
    }

-    public void setLore(List<String> lore) {
+    public void setLore(@Nullable List<String> lore) {
        this.lore = lore;
    }

@@ -36,6 +36,7 @@ public class UserRecord extends AbstractRecord {
    }

    public static UserRecord deserialize(ConfigureSection section) {
+        System.out.println(">  Deserializing  -> " + section.fullPath());
        String name = section.getString("name");
        if (name == null) throw new NullPointerException("name is null");
        String uuidString = section.getString("info.uuid");
@@ -1,15 +1,13 @@
-package config;
+package cc.carm.lib.configuration.tests.test;

 import cc.carm.lib.configuration.demo.tests.ConfigurationTest;
-import cc.carm.lib.configuration.source.json.JSONConfigFactory;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
-import cc.carm.lib.configuration.value.ConfigValue;
-import cc.carm.lib.configuration.value.standard.ConfiguredValue;
+import cc.carm.lib.configuration.source.json.JSONConfigFactory;
 import org.junit.Test;

 import java.io.File;

-public class JSONConfigTest {
+public class JSONConfigTests {

    protected final ConfigurationHolder<?> holder = JSONConfigFactory
            .from(new File("target"), "config.json")
@@ -18,12 +16,6 @@ public class JSONConfigTest {

    @Test
    public void onTest() {
-
-        ConfigValue<Boolean> EXAMPLE = ConfiguredValue.of(false);
-        EXAMPLE.initialize(this.holder, "example");
-
-        System.out.println("Example: " + EXAMPLE.get());
-
        ConfigurationTest.testDemo(this.holder);
        ConfigurationTest.testInner(this.holder);

@@ -1,15 +1,15 @@
-package yaml.test;
+package cc.carm.lib.configuration.tests.test;

 import cc.carm.lib.configuration.commentable.CommentableMeta;
 import cc.carm.lib.configuration.demo.tests.ConfigurationTest;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.yaml.YAMLConfigFactory;
 import cc.carm.lib.configuration.source.yaml.YAMLSource;
+import cc.carm.lib.configuration.validators.Validators;
 import org.junit.Test;

 import java.util.List;
 import java.util.Map;
-import java.util.regex.Pattern;

 public class YamlTests {

@@ -19,10 +19,11 @@ public class YamlTests {
        ConfigurationHolder<YAMLSource> holder = YAMLConfigFactory.from("target/tests.yml")
                .resourcePath("configs/sample.yml").build();

+        Validators.activate(holder);
+
        ConfigurationTest.testDemo(holder);
        ConfigurationTest.testInner(holder);

-
        Map<String, List<String>> headers = holder.extractMetadata(CommentableMeta.HEADER);
        System.out.println("Header comments: ");
        headers.forEach((k, v) -> {
@@ -43,5 +44,13 @@ public class YamlTests {
        ConfigurationTest.save(holder);
    }

+    @Test
+    public void testKotlin() {
+        ConfigurationHolder<YAMLSource> holder = YAMLConfigFactory.from("target/kotlin.yml").build();
+
+        ConfigurationTest.testKotlin(holder);
+
+        ConfigurationTest.save(holder);
+    }
 }

@@ -0,0 +1,12 @@
+package cc.carm.lib.configuration.tests.test.mongodb;
+
+import cc.carm.lib.configuration.Configuration;
+import cc.carm.lib.configuration.value.standard.ConfiguredValue;
+
+interface MongoConfig extends Configuration {
+    ConfiguredValue<String> HOST = ConfiguredValue.of("127.0.0.1");
+    ConfiguredValue<Integer> PORT = ConfiguredValue.of(27017);
+    ConfiguredValue<String> USERNAME = ConfiguredValue.of("minecraft");
+    ConfiguredValue<String> PASSWORD = ConfiguredValue.of("minecraft");
+    ConfiguredValue<String> DATABASE = ConfiguredValue.of("minecraft");
+}
@@ -0,0 +1,57 @@
+package cc.carm.lib.configuration.tests.test.mongodb;
+
+import cc.carm.lib.configuration.demo.tests.ConfigurationTest;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import cc.carm.lib.configuration.source.json.JSONConfigFactory;
+import cc.carm.lib.configuration.source.mongodb.MongoConfigFactory;
+import com.mongodb.ConnectionString;
+import com.mongodb.MongoClientSettings;
+import com.mongodb.MongoCredential;
+import com.mongodb.client.MongoClient;
+import com.mongodb.client.MongoClients;
+import com.mongodb.client.MongoDatabase;
+import org.bson.UuidRepresentation;
+import org.junit.Test;
+
+import java.io.File;
+
+public class MongoTest {
+
+    boolean local = false;
+
+    @Test
+    public void test() {
+
+        if (!local) return;
+
+        ConfigurationHolder<?> gsonHolder = JSONConfigFactory.from(new File("target/mongo.json")).build();
+        gsonHolder.initialize(MongoConfig.class);
+
+        MongoClientSettings settings = MongoClientSettings.builder()
+                .applyConnectionString(new ConnectionString(
+                        "mongodb://" + MongoConfig.HOST.resolve() + ":" + MongoConfig.PORT.resolve()
+                ))
+                .credential(MongoCredential.createCredential(
+                        MongoConfig.USERNAME.resolve(), MongoConfig.DATABASE.resolve(),
+                        MongoConfig.PASSWORD.resolve().toCharArray()
+                ))
+                .uuidRepresentation(UuidRepresentation.STANDARD)
+                .build();
+        MongoClient mongoClient = MongoClients.create(settings);
+        MongoDatabase mongoDatabase = mongoClient.getDatabase(MongoConfig.DATABASE.resolve());
+
+        ConfigurationHolder<?> mongoHolder = MongoConfigFactory
+                .from(mongoDatabase, "configs")
+                .namespace("my_plugin")
+                .build();
+
+        // Test the configuration
+        ConfigurationTest.testDemo(mongoHolder);
+        ConfigurationTest.testInner(mongoHolder);
+
+        ConfigurationTest.save(mongoHolder);
+
+    }
+
+
+}
@@ -0,0 +1,48 @@
+package cc.carm.lib.configuration.tests.test.sql;
+
+import cc.carm.lib.configuration.demo.DatabaseConfiguration;
+import cc.carm.lib.configuration.demo.tests.ConfigurationTest;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import cc.carm.lib.configuration.source.json.JSONConfigFactory;
+import cc.carm.lib.configuration.source.sql.SQLConfigFactory;
+import cc.carm.lib.easysql.EasySQL;
+import cc.carm.lib.easysql.api.SQLManager;
+import cc.carm.lib.easysql.beecp.BeeDataSourceConfig;
+import org.junit.Test;
+
+import java.io.File;
+
+public class SQLConfigTest {
+
+    boolean local = false;
+
+    @Test
+    public void test() {
+        if (!local) return;
+
+        ConfigurationHolder<?> gsonHolder = JSONConfigFactory.from(new File("target/sql.json")).build();
+        gsonHolder.initialize(DatabaseConfiguration.class);
+
+        BeeDataSourceConfig config = new BeeDataSourceConfig();
+        config.setDriverClassName(DatabaseConfiguration.DRIVER_NAME.resolve());
+        config.setJdbcUrl(DatabaseConfiguration.buildJDBC());
+        config.setUsername(DatabaseConfiguration.USERNAME.resolve());
+        config.setPassword(DatabaseConfiguration.PASSWORD.resolve());
+
+        SQLManager manager = EasySQL.createManager(config);
+        manager.setDebugMode(true);
+
+        ConfigurationHolder<?> holder = SQLConfigFactory.from(manager)
+                .tableName("test_configs")
+                .namespace("testing")
+                .build();
+
+        ConfigurationTest.testDemo(holder);
+        ConfigurationTest.testInner(holder);
+
+        ConfigurationTest.save(holder);
+
+        EasySQL.shutdownManager(manager);
+    }
+
+}
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Configuration status="WARN" packages="config.SQLConfigTest">
+<Configuration status="WARN" packages="cc.carm.lib.configuration.tests">
    <Appenders>
        <console name="Console" target="SYSTEM_OUT">
            <PatternLayout pattern="[%d{HH:mm:ss} %level]: %msg%n"/>
@@ -5,8 +5,8 @@
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.4</version>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.5</version>
        <relativePath>../../pom.xml</relativePath>
    </parent>
    <properties>
@@ -16,13 +16,13 @@
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
    </properties>

-    <artifactId>easyconfiguration-feature-commentable</artifactId>
+    <artifactId>configured-feature-commentable</artifactId>
    <packaging>jar</packaging>

    <dependencies>
        <dependency>
            <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
            <version>${project.version}</version>
        </dependency>
    </dependencies>
@@ -49,6 +49,17 @@ public interface CommentableMeta {
                FooterComments.class, FOOTER,
                a -> Arrays.asList(a.value())
        );
+        initializer.registerAnnotation(InlineComment.class, INLINE, a -> {
+            Map<String, String> map = new HashMap<>();
+            if (a.regex().length == 0) { // for current path
+                map.put(null, a.value());
+                return map;
+            }
+            for (String regex : a.regex()) { // for specified path
+                map.put(regex, a.value());
+            }
+            return map;
+        });
        initializer.registerAnnotation(InlineComments.class, INLINE, a -> {
            Map<String, String> map = new HashMap<>();
            for (InlineComment comment : a.value()) {
@@ -5,8 +5,8 @@
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.4</version>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.5</version>
        <relativePath>../../pom.xml</relativePath>
    </parent>
    <properties>
@@ -16,13 +16,13 @@
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
    </properties>

-    <artifactId>easyconfiguration-feature-file</artifactId>
+    <artifactId>configured-feature-file</artifactId>
    <packaging>jar</packaging>

    <dependencies>
        <dependency>
            <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
            <version>${project.version}</version>
        </dependency>
    </dependencies>
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cc.carm.lib</groupId>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.5</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <properties>
+        <maven.compiler.source>${project.jdk.version}</maven.compiler.source>
+        <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+        <kotlin.version>2.1.21</kotlin.version>
+    </properties>
+
+    <artifactId>configured-feature-kotlin</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>configured-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+            <version>${kotlin.version}</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>test-compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <jvmTarget>1.8</jvmTarget>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.jetbrains.dokka</groupId>
+                <artifactId>dokka-maven-plugin</artifactId>
+                <version>2.0.0</version>
+                <executions>
+                    <execution>
+                        <phase>pre-site</phase>
+                        <goals>
+                            <goal>dokka</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>default-compile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>default-testCompile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>testCompile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>testCompile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,29 @@
+package cc.carm.lib.configuration.kotlin.value
+
+import cc.carm.lib.configuration.adapter.ValueType
+import cc.carm.lib.configuration.builder.list.SourceListBuilder
+import cc.carm.lib.configuration.value.standard.ConfiguredList
+import kotlin.reflect.KClass
+
+inline fun <S : Any, reified V> listFrom(
+    clazz: KClass<S>, block: (SourceListBuilder<S, V>.() -> Unit)
+): ConfiguredList<V> {
+    return listFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified V> listFrom(
+    clazz: Class<S>, block: (SourceListBuilder<S, V>.() -> Unit)
+): ConfiguredList<V> {
+    return listFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified V> listFrom(
+    valueType: ValueType<S>, block: (SourceListBuilder<S, V>.() -> Unit)
+): ConfiguredList<V> {
+    val configBuilder = ConfiguredList.builderOf(V::class.java)
+    val sourceValueBuilder: SourceListBuilder<S, V> = if (valueType.rawType == String::class.java) {
+        @Suppress("UNCHECKED_CAST")
+        configBuilder.fromString() as SourceListBuilder<S, V>
+    } else configBuilder.from(valueType)
+    return sourceValueBuilder.also(block).build()
+}
@@ -0,0 +1,107 @@
+package cc.carm.lib.configuration.kotlin.value
+
+import cc.carm.lib.configuration.adapter.ValueType
+import cc.carm.lib.configuration.builder.map.SourceMapBuilder
+import cc.carm.lib.configuration.value.standard.ConfiguredMap
+import java.util.*
+import kotlin.reflect.KClass
+
+inline fun <S : Any, reified K, reified V> hashmapFrom(
+    clazz: KClass<S>,
+    block: SourceMapBuilder<HashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return hashmapFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified K, reified V> hashmapFrom(
+    clazz: Class<S>,
+    block: SourceMapBuilder<HashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return hashmapFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified K, reified V> hashmapFrom(
+    valueType: ValueType<S>,
+    block: SourceMapBuilder<HashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    val mapCreator = ConfiguredMap.builderOf(K::class.java, V::class.java)
+    val sourceValueBuilder: SourceMapBuilder<HashMap<K, V>, S, K, V> = mapCreator.asHashMap().from(valueType)
+    return sourceValueBuilder.also(block).build()
+}
+
+inline fun <S : Any, reified K, reified V> linkedMapFrom(
+    clazz: KClass<S>,
+    block: SourceMapBuilder<LinkedHashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return linkedMapFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified K, reified V> linkedMapFrom(
+    clazz: Class<S>,
+    block: SourceMapBuilder<LinkedHashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return linkedMapFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified K, reified V> linkedMapFrom(
+    valueType: ValueType<S>,
+    block: SourceMapBuilder<LinkedHashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    val mapCreator = ConfiguredMap.builderOf(K::class.java, V::class.java)
+    val sourceValueBuilder: SourceMapBuilder<LinkedHashMap<K, V>, S, K, V> = mapCreator.asLinkedMap().from(valueType)
+    return sourceValueBuilder.also(block).build()
+}
+
+inline fun <S : Any, reified K, reified V> treeMapFrom(
+    clazz: KClass<S>,
+    block: SourceMapBuilder<TreeMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return treeMapFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified K, reified V> treeMapFrom(
+    clazz: Class<S>,
+    block: SourceMapBuilder<TreeMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return treeMapFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified K, reified V> treeMapFrom(
+    valueType: ValueType<S>,
+    block: SourceMapBuilder<TreeMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    val mapCreator = ConfiguredMap.builderOf(K::class.java, V::class.java)
+    val sourceValueBuilder: SourceMapBuilder<TreeMap<K, V>, S, K, V> = mapCreator.asTreeMap().from(valueType)
+    return sourceValueBuilder.also(block).build()
+}
+
+inline fun <reified MAP : Map<K, V>, S : Any, reified K, reified V> mapFrom(
+    clazz: KClass<S>,
+    noinline map: () -> MAP,
+    block: SourceMapBuilder<MAP, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return mapFrom(clazz.java, map, block)
+}
+
+inline fun <reified MAP : Map<K, V>, S : Any, reified K, reified V> mapFrom(
+    clazz: Class<S>,
+    noinline map: () -> MAP,
+    block: SourceMapBuilder<MAP, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return mapFrom(ValueType.of(clazz), map, block)
+}
+
+inline fun <reified MAP : Map<K, V>, S : Any, reified K, reified V> mapFrom(
+    valueType: ValueType<S>,
+    noinline map: () -> MAP,
+    block: SourceMapBuilder<MAP, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    val mapCreator = ConfiguredMap.builderOf(K::class.java, V::class.java)
+    val sourceValueBuilder: SourceMapBuilder<MAP, S, K, V> = mapCreator.constructor(map).from(valueType)
+    return sourceValueBuilder.also(block).build()
+}
+
+
+fun <MAP : Map<K, V>, S, K, V> SourceMapBuilder<MAP, S, K, V>.defaultMap(map: MAP): SourceMapBuilder<MAP, S, K, V> {
+    return defaults(map)
+}
@@ -0,0 +1,36 @@
+package cc.carm.lib.configuration.kotlin.value
+
+import cc.carm.lib.configuration.adapter.ValueType
+import cc.carm.lib.configuration.builder.value.SourceValueBuilder
+import cc.carm.lib.configuration.value.standard.ConfiguredValue
+import kotlin.reflect.KClass
+
+inline fun <S : Any, reified T> valueFrom(
+    clazz: KClass<S>, block: (SourceValueBuilder<S, T>.() -> Unit)
+): ConfiguredValue<T> {
+    return valueFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified V> valueFrom(
+    clazz: Class<S>, block: (SourceValueBuilder<S, V>.() -> Unit)
+): ConfiguredValue<V> {
+    return valueFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified V> valueFrom(
+    valueType: ValueType<S>, block: (SourceValueBuilder<S, V>.() -> Unit)
+): ConfiguredValue<V> {
+    val configBuilder = ConfiguredValue.builderOf(V::class.java)
+    val sourceValueBuilder: SourceValueBuilder<S, V> = if (valueType.rawType == String::class.java) {
+        @Suppress("UNCHECKED_CAST")
+        configBuilder.fromString() as SourceValueBuilder<S, V>
+    } else configBuilder.from(valueType)
+    sourceValueBuilder.parse { holder, data ->
+        holder.deserialize(V::class.java, data)
+    }
+    sourceValueBuilder.serialize { holder, data ->
+        @Suppress("UNCHECKED_CAST")
+        holder.serialize(data) as? S
+    }
+    return sourceValueBuilder.also(block).build()
+}
@@ -5,8 +5,8 @@
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.4</version>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.5</version>
        <relativePath>../../pom.xml</relativePath>
    </parent>
    <properties>
@@ -16,13 +16,13 @@
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
    </properties>

-    <artifactId>easyconfiguration-feature-section</artifactId>
+    <artifactId>configured-feature-section</artifactId>
    <packaging>jar</packaging>

    <dependencies>
        <dependency>
            <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
            <version>${project.version}</version>
        </dependency>
    </dependencies>
@@ -0,0 +1,189 @@
+package cc.carm.lib.configuration.source.section;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.UnmodifiableView;
+
+import java.util.*;
+
+public abstract class AbstractMapSection<R extends AbstractMapSection<R>> implements ConfigureSection {
+
+    protected final @NotNull Map<String, Object> data;
+    protected final @Nullable R parent;
+    protected final @NotNull String path;
+
+    protected AbstractMapSection(@Nullable R parent, @NotNull String path) {
+        this.parent = parent;
+        this.path = path;
+        this.data = new LinkedHashMap<>();
+    }
+
+    public void migrate(Map<?, ?> data) {
+        for (Map.Entry<?, ?> entry : data.entrySet()) {
+            String key = (entry.getKey() == null) ? "" : entry.getKey().toString();
+            if (entry.getValue() instanceof Map) {
+                this.data.put(key, createSection(key, (Map<?, ?>) entry.getValue()));
+            } else if (entry.getValue() instanceof List) {
+                List<Object> list = new ArrayList<>();
+                int index = 0;
+                for (Object obj : (List<?>) entry.getValue()) {
+                    if (obj instanceof Map) {
+                        list.add(createSection(key + "[" + index + "]", (Map<?, ?>) obj));
+                    } else {
+                        list.add(obj);
+                    }
+                    index++;
+                }
+                this.data.put(key, list);
+            } else {
+                this.data.put(key, entry.getValue());
+            }
+        }
+    }
+
+    public abstract @NotNull R self();
+
+    @Override
+    public abstract @NotNull R createSection(@NotNull String path, @NotNull Map<?, ?> data);
+
+    @Override
+    public @NotNull String path() {
+        return this.path;
+    }
+
+    @Override
+    public boolean contains(@NotNull String path) {
+        R section = getSectionFor(path);
+        if (section == this) {
+            return this.data().containsKey(path);
+        } else {
+            return section.contains(childPath(path));
+        }
+    }
+
+    public @NotNull Map<String, Object> data() {
+        return this.data;
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return this.data.isEmpty();
+    }
+
+    @Override
+    public int size(boolean deep) {
+        return deep ? getKeys(true).size() : this.data.size();
+    }
+
+    @Override
+    @UnmodifiableView
+    public @NotNull Map<String, Object> asMap() {
+        Map<String, Object> output = new LinkedHashMap<>();
+        for (Map.Entry<String, Object> entry : this.data.entrySet()) {
+            if (entry.getValue() instanceof AbstractMapSection<?>) {
+                output.put(entry.getKey(), ((AbstractMapSection<?>) entry.getValue()).asMap());
+            } else if (entry.getValue() instanceof List<?>) {
+                List<Object> list = new ArrayList<>();
+                for (Object obj : (List<?>) entry.getValue()) {
+                    if (obj instanceof AbstractMapSection<?>) {
+                        list.add(((AbstractMapSection<?>) obj).asMap());
+                    } else {
+                        list.add(obj);
+                    }
+                }
+                output.put(entry.getKey(), list);
+            } else {
+                output.put(entry.getKey(), entry.getValue());
+            }
+        }
+        return output;
+    }
+
+    public @Nullable R parent() {
+        return this.parent;
+    }
+
+
+    @Override
+    public @NotNull Map<String, Object> getValues(boolean deep) {
+        return Collections.unmodifiableMap(deep ? mappingValues(this, null, true, String.valueOf(pathSeparator())) : data());
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Set<String> getKeys(boolean deep) {
+        return Collections.unmodifiableSet(deep ? mappingKeys(this, null, true, String.valueOf(pathSeparator())) : data().keySet());
+    }
+
+    @Override
+    public void set(@NotNull String path, @Nullable Object value) {
+        if (value instanceof Map) value = createSection(path, (Map<?, ?>) value);
+
+        R section = getSectionFor(path);
+        if (section == this) {
+            // Even this value is null, we still need to put it in the map
+            // to ensure that the path is marked as existing.
+            this.data.put(path, value);
+        } else {
+            section.set(childPath(path), value);
+        }
+    }
+
+    @Override
+    public void remove(@NotNull String path) {
+        R section = getSectionFor(path);
+        if (section != this) {
+            section.remove(childPath(path));
+        } else {
+            this.data.remove(path);
+        }
+    }
+
+    @Override
+    public @Nullable Object get(@NotNull String path) {
+        R section = getSectionFor(path);
+        return section == this ? data.get(path) : section.get(childPath(path));
+    }
+
+    @SuppressWarnings("unchecked")
+    private R getSectionFor(String path) {
+        int index = path.indexOf(pathSeparator());
+        if (index == -1) return self();
+
+        String root = path.substring(0, index);
+        return (R) computeSection(root);
+    }
+
+    /**
+     * Map the values of the children of the section to the output map.
+     *
+     * @param section The section to map the values from
+     * @param parent  The parent path
+     * @param deep    If the mapping should be deep
+     */
+    protected static Map<String, Object> mappingValues(@NotNull AbstractMapSection<?> section, @Nullable String parent, boolean deep, String pathSeparator) {
+        Map<String, Object> output = new LinkedHashMap<>();
+        for (Map.Entry<String, Object> entry : section.data().entrySet()) {
+            String path = (parent == null ? "" : parent + pathSeparator) + entry.getKey();
+            output.remove(path);
+            output.put(path, entry.getValue());
+            if (deep && entry.getValue() instanceof AbstractMapSection<?>) {
+                output.putAll(mappingValues((AbstractMapSection<?>) entry.getValue(), path, true, pathSeparator));
+            }
+        }
+        return output;
+    }
+
+    protected static Set<String> mappingKeys(@NotNull AbstractMapSection<?> section, @Nullable String parent, boolean deep, String pathSeparator) {
+        Set<String> keys = new LinkedHashSet<>();
+        for (Map.Entry<String, Object> entry : section.data().entrySet()) {
+            String path = (parent == null ? "" : parent + pathSeparator) + entry.getKey();
+            keys.add(path);
+            if (deep && entry.getValue() instanceof AbstractMapSection<?>) {
+                keys.addAll(mappingKeys((AbstractMapSection<?>) entry.getValue(), path, true, pathSeparator));
+            }
+        }
+        return keys;
+    }
+
+
+}
@@ -0,0 +1,388 @@
+package cc.carm.lib.configuration.source.section;
+
+import cc.carm.lib.configuration.function.DataFunction;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.UnmodifiableView;
+
+import java.util.*;
+import java.util.function.BiConsumer;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import java.util.stream.Stream;
+
+public class ImmutableSection implements ConfigureSection {
+
+    public static ImmutableSection of(@NotNull ConfigureSection section) {
+        if (section instanceof ImmutableSection) {
+            return (ImmutableSection) section;
+        } else return new ImmutableSection(null, section);
+    }
+
+    protected final @Nullable ImmutableSection parent;
+    protected final @NotNull ConfigureSection raw;
+
+    private ImmutableSection(@Nullable ImmutableSection parent, @NotNull ConfigureSection raw) {
+        this.parent = parent;
+        this.raw = raw;
+    }
+
+    private @NotNull ConfigureSection raw() {
+        return raw;
+    }
+
+
+    @Override
+    public @Nullable ImmutableSection parent() {
+        return this.parent;
+    }
+
+    @Override
+    public @NotNull String path() {
+        return raw().path();
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Map<String, Object> getValues(boolean deep) {
+        return raw().getValues(deep);
+    }
+
+    @Override
+    public void set(@NotNull String path, @Nullable Object value) {
+        throw new IllegalStateException("This section is not modifiable!");
+    }
+
+    @Override
+    public void remove(@NotNull String path) {
+        throw new IllegalStateException("This section is not modifiable!");
+    }
+
+    @Override
+    public @NotNull ImmutableSection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        return new ImmutableSection(this, raw().createSection(path, data));
+    }
+
+    @Override
+    public @Nullable Object get(@NotNull String path) {
+        Object value = raw().get(path);
+        if (value instanceof ConfigureSection && !(value instanceof ImmutableSection)) {
+            return new ImmutableSection(this, (ConfigureSection) value);
+        }
+        return value;
+    }
+
+    @Override
+    public @Nullable ConfigureSection getSection(@NotNull String path) {
+        ConfigureSection get = raw().getSection(path);
+        if (!(get instanceof ImmutableSection)) {
+            return new ImmutableSection(this, get);
+        }
+        return get;
+    }
+
+    @Override
+    public char pathSeparator() {
+        return raw().pathSeparator();
+    }
+
+    @Override
+    public boolean isRoot() {
+        return raw().isRoot();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return raw().isEmpty();
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Set<String> getKeys(boolean deep) {
+        return raw().getKeys(deep);
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Set<String> keys() {
+        return raw().keys();
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Map<String, Object> values() {
+        return raw().values();
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Map<String, Object> asMap() {
+        return raw().asMap();
+    }
+
+    @Override
+    public Stream<Map.Entry<String, Object>> stream() {
+        return raw().stream();
+    }
+
+    @Override
+    public void forEach(@NotNull BiConsumer<String, Object> action) {
+        raw().forEach(action);
+    }
+
+    @Override
+    public boolean contains(@NotNull String path) {
+        return raw().contains(path);
+    }
+
+    @Override
+    public boolean containsValue(@NotNull String path) {
+        return raw().containsValue(path);
+    }
+
+    @Override
+    public <T> boolean isType(@NotNull String path, @NotNull Class<T> typeClass) {
+        return raw().isType(path, typeClass);
+    }
+
+    @Override
+    public boolean isList(@NotNull String path) {
+        return raw().isList(path);
+    }
+
+    @Override
+    public @Nullable List<?> getList(@NotNull String path) {
+        return raw().getList(path);
+    }
+
+    @Override
+    public boolean isSection(@NotNull String path) {
+        return raw().isSection(path);
+    }
+
+    @Override
+    public <T> @Nullable T get(@NotNull String path, @NotNull Class<T> type) {
+        return raw().get(path, type);
+    }
+
+    @Override
+    public <T> @Nullable T get(@NotNull String path, @NotNull DataFunction<@Nullable Object, T> parser) {
+        return raw().get(path, parser);
+    }
+
+    @Override
+    public <T> @Nullable T get(@NotNull String path, T defaults, @NotNull Class<T> clazz) {
+        return raw().get(path, defaults, clazz);
+    }
+
+    @Override
+    public <T> @Nullable T get(@NotNull String path, T defaultValue, @NotNull DataFunction<Object, T> parser) {
+        return raw().get(path, defaultValue, parser);
+    }
+
+    @Override
+    public boolean isBoolean(@NotNull String path) {
+        return raw().isBoolean(path);
+    }
+
+    @Override
+    public boolean getBoolean(@NotNull String path) {
+        return raw().getBoolean(path);
+    }
+
+    @Override
+    public @Nullable Boolean getBoolean(@NotNull String path, @Nullable Boolean def) {
+        return raw().getBoolean(path, def);
+    }
+
+    @Override
+    public @Nullable Boolean isByte(@NotNull String path) {
+        return raw().isByte(path);
+    }
+
+    @Override
+    public @Nullable Byte getByte(@NotNull String path) {
+        return raw().getByte(path);
+    }
+
+    @Override
+    public @Nullable Byte getByte(@NotNull String path, @Nullable Byte def) {
+        return raw().getByte(path, def);
+    }
+
+    @Override
+    public boolean isShort(@NotNull String path) {
+        return raw().isShort(path);
+    }
+
+    @Override
+    public @Nullable Short getShort(@NotNull String path) {
+        return raw().getShort(path);
+    }
+
+    @Override
+    public @Nullable Short getShort(@NotNull String path, @Nullable Short def) {
+        return raw().getShort(path, def);
+    }
+
+    @Override
+    public boolean isInt(@NotNull String path) {
+        return raw().isInt(path);
+    }
+
+    @Override
+    public @Nullable Integer getInt(@NotNull String path) {
+        return raw().getInt(path);
+    }
+
+    @Override
+    public @Nullable Integer getInt(@NotNull String path, @Nullable Integer def) {
+        return raw().getInt(path, def);
+    }
+
+    @Override
+    public boolean isLong(@NotNull String path) {
+        return raw().isLong(path);
+    }
+
+    @Override
+    public @Nullable Long getLong(@NotNull String path) {
+        return raw().getLong(path);
+    }
+
+    @Override
+    public @Nullable Long getLong(@NotNull String path, @Nullable Long def) {
+        return raw().getLong(path, def);
+    }
+
+    @Override
+    public boolean isFloat(@NotNull String path) {
+        return raw().isFloat(path);
+    }
+
+    @Override
+    public @Nullable Float getFloat(@NotNull String path) {
+        return raw().getFloat(path);
+    }
+
+    @Override
+    public @Nullable Float getFloat(@NotNull String path, @Nullable Float def) {
+        return raw().getFloat(path, def);
+    }
+
+    @Override
+    public boolean isDouble(@NotNull String path) {
+        return raw().isDouble(path);
+    }
+
+    @Override
+    public @Nullable Double getDouble(@NotNull String path) {
+        return raw().getDouble(path);
+    }
+
+    @Override
+    public @Nullable Double getDouble(@NotNull String path, @Nullable Double def) {
+        return raw().getDouble(path, def);
+    }
+
+    @Override
+    public boolean isChar(@NotNull String path) {
+        return raw().isChar(path);
+    }
+
+    @Override
+    public @Nullable Character getChar(@NotNull String path) {
+        return raw().getChar(path);
+    }
+
+    @Override
+    public @Nullable Character getChar(@NotNull String path, @Nullable Character def) {
+        return raw().getChar(path, def);
+    }
+
+    @Override
+    public boolean isString(@NotNull String path) {
+        return raw().isString(path);
+    }
+
+    @Override
+    public @Nullable String getString(@NotNull String path) {
+        return raw().getString(path);
+    }
+
+    @Override
+    public @Nullable String getString(@NotNull String path, @Nullable String def) {
+        return raw().getString(path, def);
+    }
+
+    @Override
+    public @NotNull <V> List<V> getList(@NotNull String path, @NotNull DataFunction<Object, V> parser) {
+        return raw().getList(path, parser);
+    }
+
+    @Override
+    public @NotNull List<String> getStringList(@NotNull String path) {
+        return raw().getStringList(path);
+    }
+
+    @Override
+    public @NotNull List<Integer> getIntegerList(@NotNull String path) {
+        return raw().getIntegerList(path);
+    }
+
+    @Override
+    public @NotNull List<Long> getLongList(@NotNull String path) {
+        return raw().getLongList(path);
+    }
+
+    @Override
+    public @NotNull List<Double> getDoubleList(@NotNull String path) {
+        return raw().getDoubleList(path);
+    }
+
+    @Override
+    public @NotNull List<Float> getFloatList(@NotNull String path) {
+        return raw().getFloatList(path);
+    }
+
+    @Override
+    public @NotNull List<Byte> getByteList(@NotNull String path) {
+        return raw().getByteList(path);
+    }
+
+    @Override
+    public @NotNull List<Character> getCharList(@NotNull String path) {
+        return raw().getCharList(path);
+    }
+
+    @Override
+    public @NotNull List<ConfigureSection> getSectionList(@NotNull String path) {
+        return raw().getSectionList(path);
+    }
+
+    @Override
+    public <T, C extends Collection<T>> @NotNull C getCollection(@NotNull String path, @NotNull Supplier<C> constructor, @NotNull DataFunction<Object, T> parser) {
+        return raw().getCollection(path, constructor, parser);
+    }
+
+    @Override
+    public @NotNull Stream<?> stream(@NotNull String path) {
+        return raw().stream(path);
+    }
+
+    @Override
+    public @NotNull <T> Stream<T> stream(@NotNull String path, @NotNull Function<Object, T> parser) {
+        return raw().stream(path, parser);
+    }
+
+    @Override
+    public String childPath(String path) {
+        return raw().childPath(path);
+    }
+
+    @Override
+    public int hashCode() {
+        return raw.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        return Objects.equals(raw, obj);
+    }
+
+}
@@ -1,149 +0,0 @@
-package cc.carm.lib.configuration.source.section;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.*;
-
-public abstract class MapSection<R extends MapSection<R>> implements ConfigureSection {
-
-    protected final @NotNull Map<String, Object> data;
-    protected final @Nullable R parent;
-
-    protected MapSection(@Nullable R parent) {
-        this.parent = parent;
-        this.data = new LinkedHashMap<>();
-    }
-
-    public void migrate(Map<?, ?> data) {
-        for (Map.Entry<?, ?> entry : data.entrySet()) {
-            String key = (entry.getKey() == null) ? "null" : entry.getKey().toString();
-            if (entry.getValue() instanceof Map) {
-                this.data.put(key, createChild((Map<?, ?>) entry.getValue()));
-            } else if (entry.getValue() instanceof List) {
-                List<Object> list = new ArrayList<>();
-                for (Object obj : (List<?>) entry.getValue()) {
-                    if (obj instanceof Map) {
-                        list.add(createChild((Map<?, ?>) obj));
-                    } else {
-                        list.add(obj);
-                    }
-                }
-                this.data.put(key, list);
-            } else {
-                this.data.put(key, entry.getValue());
-            }
-        }
-    }
-
-    public abstract @NotNull R self();
-
-    protected abstract @NotNull R createChild(@NotNull Map<?, ?> data);
-
-    protected @NotNull R createChild() {
-        return createChild(new LinkedHashMap<>());
-    }
-
-    public @NotNull Map<String, Object> data() {
-        return this.data;
-    }
-
-    public @Nullable R parent() {
-        return this.parent;
-    }
-
-    /**
-     * Get the path separator for the section.
-     *
-     * @return The path separator
-     */
-    public char pathSeparator() {
-        return '.';
-    }
-
-    @Override
-    public @NotNull Map<String, Object> getValues(boolean deep) {
-        return Collections.unmodifiableMap(deep ? mappingValues(this, null, true) : data());
-    }
-
-    @Override
-    public void set(@NotNull String path, @Nullable Object value) {
-        if (value instanceof Map) value = createChild((Map<?, ?>) value);
-
-        R section = getSectionFor(path);
-        if (section == this) {
-            // Even this value is null, we still need to put it in the map
-            // to ensure that the path is marked as existing.
-            this.data.put(path, value);
-        } else {
-            section.set(childPath(path), value);
-        }
-    }
-
-    @Override
-    public void remove(@NotNull String path) {
-        R section = getSectionFor(path);
-        if (section != this) {
-            section.remove(childPath(path));
-        } else {
-            this.data.remove(path);
-        }
-    }
-
-    @Override
-    public boolean contains(@NotNull String path) {
-        return get(path) != null;
-    }
-
-    @Override
-    public @Nullable Object get(@NotNull String path) {
-        R section = getSectionFor(path);
-        return section == this ? data.get(path) : section.get(childPath(path));
-    }
-
-    @Override
-    public @Nullable List<?> getList(@NotNull String path) {
-        Object val = get(path);
-        return (val instanceof List<?>) ? (List<?>) val : null;
-    }
-
-    @Override
-    public @Nullable ConfigureSection getSection(@NotNull String path) {
-        Object val = get(path);
-        return (val instanceof ConfigureSection) ? (ConfigureSection) val : null;
-    }
-
-    @SuppressWarnings("unchecked")
-    private R getSectionFor(String path) {
-        int index = path.indexOf(pathSeparator());
-        if (index == -1) return self();
-
-        String root = path.substring(0, index);
-        return (R) data().computeIfAbsent(root, k -> createChild());
-    }
-
-    private String childPath(String path) {
-        int index = path.indexOf(pathSeparator());
-        return (index == -1) ? path : path.substring(index + 1);
-    }
-
-    /**
-     * Map the values of the children of the section to the output map.
-     *
-     * @param section The section to map the values from
-     * @param parent  The parent path
-     * @param deep    If the mapping should be deep
-     */
-    protected Map<String, Object> mappingValues(@NotNull MapSection<?> section, @Nullable String parent, boolean deep) {
-        Map<String, Object> output = new LinkedHashMap<>();
-        for (Map.Entry<String, Object> entry : section.data().entrySet()) {
-            String path = (parent == null ? "" : parent + pathSeparator()) + entry.getKey();
-            output.remove(path);
-            output.put(path, entry.getValue());
-            if (deep && entry.getValue() instanceof MapSection<?>) {
-                output.putAll(mappingValues((MapSection<?>) entry.getValue(), path, true));
-            }
-        }
-        return output;
-    }
-}
@@ -5,44 +5,52 @@ import org.jetbrains.annotations.Nullable;

 import java.util.LinkedHashMap;
 import java.util.Map;
+import java.util.function.Consumer;
+import java.util.function.Supplier;

-public class MemorySection extends MapSection<MemorySection> {
+public class MemorySection extends AbstractMapSection<MemorySection> {

-    public static @NotNull MemorySection root(@NotNull ConfigureSource<? extends MemorySection, ?, ?> source) {
-        return new MemorySection(source, new LinkedHashMap<>(), null);
+    public static MemorySection of() {
+        return of(new LinkedHashMap<>());
    }

-    public static @NotNull MemorySection root(@NotNull ConfigureSource<? extends MemorySection, ?, ?> source,
-                                              @Nullable Map<?, ?> raw) {
-        return new MemorySection(source, raw == null ? new LinkedHashMap<>() : raw, null);
+    public static MemorySection of(@NotNull Consumer<Map<String, Object>> data) {
+        return of(() -> {
+            Map<String, Object> map = new LinkedHashMap<>();
+            data.accept(map);
+            return map;
+        });
    }

-    protected final @NotNull ConfigureSource<? extends MemorySection, ?, ?> source;
+    public static MemorySection of(@NotNull Supplier<Map<?, ?>> data) {
+        return of(data.get());
+    }

-    protected MemorySection(@NotNull ConfigureSource<? extends MemorySection, ?, ?> source,
-                            @NotNull Map<?, ?> raw, @Nullable MemorySection parent) {
-        super(parent);
-        this.source = source;
+    public static MemorySection of(@NotNull Map<?, ?> data) {
+        return of(data, null, "");
+    }
+
+    public static MemorySection of(@Nullable MemorySection parent, @NotNull String path) {
+        return of(new LinkedHashMap<>(), parent, path);
+    }
+
+    public static MemorySection of(@NotNull Map<?, ?> data, @Nullable MemorySection parent, @NotNull String path) {
+        return new MemorySection(data, parent, path);
+    }
+
+    public MemorySection(@NotNull Map<?, ?> raw, @Nullable MemorySection parent, @NotNull String path) {
+        super(parent, path);
        migrate(raw);
    }

-    public @NotNull ConfigureSource<? extends MemorySection, ?, ?> source() {
-        return source;
-    }
-
-    @Override
-    public char pathSeparator() {
-        return source().pathSeparator();
-    }
-
    @Override
    public @NotNull MemorySection self() {
        return this;
    }

    @Override
-    protected @NotNull MemorySection createChild(@NotNull Map<?, ?> data) {
-        return new MemorySection(source(), data, this);
+    public @NotNull MemorySection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        return new MemorySection(data, this, path);
    }

 }
@@ -0,0 +1,151 @@
+package cc.carm.lib.configuration.source.section;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.UnmodifiableView;
+
+import java.util.*;
+
+public class ShadedSection implements ConfigureSection {
+
+    public static ShadedSection create(@NotNull ConfigureSection template, @Nullable ConfigureSection source) {
+        return new ShadedSection(null, template, source);
+    }
+
+    protected final @Nullable ShadedSection parent;
+    protected @NotNull ConfigureSection template;
+    protected @Nullable ConfigureSection source;
+
+    public ShadedSection(@Nullable ShadedSection parent,
+                         @NotNull ConfigureSection template, @Nullable ConfigureSection source) {
+        this.parent = parent;
+        this.template = template;
+        this.source = source;
+    }
+
+    @Override
+    public @Nullable ConfigureSection parent() {
+        return this.parent;
+    }
+
+    @Override
+    public @NotNull String path() {
+        return this.template.path();
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Map<String, Object> getValues(boolean deep) {
+        if (source == null) return template.getValues(deep);
+        // 本函数为，当 getValues 时，递归合并 source 和 template
+        return merge(template, source).getValues(deep);
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Map<String, Object> asMap() {
+        if (source == null) return template.asMap();
+        return merge(template, source).asMap();
+    }
+
+    @Override
+    public @NotNull @UnmodifiableView Set<String> getKeys(boolean deep) {
+        Set<String> keys = new HashSet<>(template.getKeys(deep));
+        if (source != null) {
+            keys.addAll(source.getKeys(deep));
+        }
+        return Collections.unmodifiableSet(keys);
+    }
+
+    private ConfigureSection merge(ConfigureSection templateSection, ConfigureSection valueSection) {
+        MemorySection merged = MemorySection.of();
+        Set<String> existingKey = new HashSet<>();
+
+        for (Map.Entry<String, Object> entry : valueSection.getValues(false).entrySet()) {
+            String key = entry.getKey();
+            Object value = entry.getValue();
+            if (value instanceof ConfigureSection) {
+                ConfigureSection subSectionFromValue = (ConfigureSection) value;
+                ConfigureSection subSectionFromTemplate = (ConfigureSection) templateSection.get(key);
+                if (subSectionFromTemplate == null) {
+                    merged.set(key, value);
+                } else {
+                    merged.set(key, merge(subSectionFromTemplate, subSectionFromValue));
+                }
+            } else {
+                merged.set(key, value);
+            }
+            existingKey.add(key);
+        }
+
+        for (Map.Entry<String, Object> entry : templateSection.getValues(false).entrySet()) {
+            if (existingKey.contains(entry.getKey())) continue;
+            merged.set(entry.getKey(), entry.getValue());
+        }
+
+        return merged;
+    }
+
+    @Override
+    public void set(@NotNull String path, @Nullable Object value) {
+        if (value instanceof ConfigureSection) {
+            ConfigureSection targetSection = (ConfigureSection) value;
+            for (Map.Entry<String, Object> entry : targetSection.getValues(true).entrySet()) {
+                set(path + pathSeparator() + entry.getKey(), entry.getValue());
+            }
+            return;
+        } else if (Objects.equals(get(path), value)) {
+            remove(path);
+            return;
+        }
+
+        Optional.ofNullable(source).ifPresent(s -> s.set(path, value));
+    }
+
+    @Override
+    public void remove(@NotNull String path) {
+        Optional.ofNullable(source).ifPresent(s -> s.remove(path));
+    }
+
+    @Override
+    public @NotNull ConfigureSection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        if (source == null) {
+            return new ShadedSection(this, template, MemorySection.of(data));
+        } else {
+            ConfigureSection section = source.computeSection(path, data);
+            return new ShadedSection(this, template, section);
+        }
+    }
+
+    @Override
+    public @Nullable Object get(@NotNull String path) {
+        if (source == null) {
+            return getFromTemplate(path);
+        }
+
+        Object value = source.get(path);
+        if (value == null) {
+            return getFromTemplate(path);
+        }
+        if (value instanceof ConfigureSection) {
+            ConfigureSection templateSection = (ConfigureSection) template.get(path);
+            if (templateSection == null) {
+                return value;
+            } else {
+                return new ShadedSection(this, templateSection, (ConfigureSection) value);
+            }
+        }
+        return value;
+    }
+
+    public @Nullable Object getFromTemplate(@NotNull String path) {
+        Object value = template.get(path);
+        if (value instanceof ConfigureSection) {
+            return new ShadedSection(this, (ConfigureSection) value, null);
+        } else {
+            return value;
+        }
+    }
+
+    public @Nullable ConfigureSection getSource() {
+        return source;
+    }
+}
@@ -0,0 +1,48 @@
+package cc.carm.lib.configuration.source.section;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public class SourcedSection extends AbstractMapSection<SourcedSection> {
+
+    public static @NotNull SourcedSection root(@NotNull ConfigureSource<? extends SourcedSection, ?, ?> source) {
+        return new SourcedSection(source, new LinkedHashMap<>(), null, "");
+    }
+
+    public static @NotNull SourcedSection root(@NotNull ConfigureSource<? extends SourcedSection, ?, ?> source,
+                                               @Nullable Map<?, ?> raw) {
+        return new SourcedSection(source, raw == null ? new LinkedHashMap<>() : raw, null, "");
+    }
+
+    protected final @NotNull ConfigureSource<? extends SourcedSection, ?, ?> source;
+
+    public SourcedSection(@NotNull ConfigureSource<? extends SourcedSection, ?, ?> source,
+                          @NotNull Map<?, ?> raw, @Nullable SourcedSection parent, @NotNull String path) {
+        super(parent, path);
+        this.source = source;
+        migrate(raw);
+    }
+
+    public @NotNull ConfigureSource<? extends SourcedSection, ?, ?> source() {
+        return source;
+    }
+
+    @Override
+    public char pathSeparator() {
+        return source().pathSeparator();
+    }
+
+    @Override
+    public @NotNull SourcedSection self() {
+        return this;
+    }
+
+    @Override
+    public @NotNull SourcedSection createSection(@NotNull String path, @NotNull Map<?, ?> data) {
+        return new SourcedSection(source(), data, this, path);
+    }
+
+}
@@ -0,0 +1,77 @@
+package test.section;
+
+import cc.carm.lib.configuration.source.section.ConfigureSection;
+import cc.carm.lib.configuration.source.section.MemorySection;
+import cc.carm.lib.configuration.source.section.ShadedSection;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * @author Lyzen
+ * @date 21/2/2025 下午2:18
+ */
+public class ShadeTest {
+
+    @Test
+    public void test() {
+        ConfigureSection template = MemorySection.of(data -> {
+            data.put("name", "GentleMan");
+            data.put("age", 12);
+            data.put("gender", "male");
+            Map<String, Object> address = new LinkedHashMap<>();
+            address.put("Hotel", "Nanjing Road 101");
+            address.put("Store", "Beijing Road 404");
+            Map<String, Object> mapInside = new LinkedHashMap<>();
+            mapInside.put("InsideKeyExample", "InsideValueExample");
+            address.put("Inside", mapInside);
+            data.put("addresses", address);
+            data.put("cards", Arrays.asList("00000", "11111", "22222"));
+        });
+        ConfigureSection source = MemorySection.of(data -> {
+            data.put("age", 25);
+            Map<String, Object> address = new LinkedHashMap<>();
+            address.put("NewOne", "Guangdong Road 505");
+            data.put("addresses", address);
+            Map<String, Object> mapInside = new LinkedHashMap<>();
+            mapInside.put("AnotherInsideKey", "AnotherInsideValue");
+            address.put("Inside", mapInside);
+            data.put("cards", Arrays.asList("33333", "55555")); // 应当直接覆盖原先的List
+        });
+
+        ShadedSection root = new ShadedSection(null, template, source);
+        System.out.println("age: " + root.get("age"));
+        System.out.println("addresses: ");
+        for (Map.Entry<String, Object> entry : root.getSection("addresses").getValues(false).entrySet()) {
+            System.out.println("  " + entry.getKey() + ": " + entry.getValue());
+            if (entry.getValue() instanceof ConfigureSection) {
+                for (Map.Entry<String, Object> inner : ((ConfigureSection) entry.getValue()).getValues(false).entrySet()) {
+                    System.out.println("    " + inner.getKey() + ": " + inner.getValue());
+                }
+            }
+        }
+        System.out.println("cards: " + root.getList("cards"));
+
+        System.out.println("\n----------------------\n");
+        System.out.println("Deep Search Test");
+        System.out.println("addresses: ");
+        for (Map.Entry<String, Object> entry : root.getSection("addresses").getValues(true).entrySet()) {
+            System.out.println("  " + entry.getKey() + ": " + entry.getValue());
+        }
+
+        System.out.println("\n----------------------\n");
+
+        root.set("addresses", MemorySection.of(map -> {
+            map.put("Hotel", "Nanjing Road 101");
+            map.put("Store", "Beijing Road banned");
+
+        }));
+
+        for (Map.Entry<String, Object> entry : source.getValues(true).entrySet()) {
+            System.out.println("  " + entry.getKey() + ": " + entry.getValue());
+        }
+    }
+
+}
@@ -5,8 +5,8 @@
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.4</version>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.5</version>
        <relativePath>../../pom.xml</relativePath>
    </parent>
    <properties>
@@ -16,20 +16,20 @@
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
    </properties>

-    <artifactId>easyconfiguration-feature-text</artifactId>
+    <artifactId>configured-feature-text</artifactId>
    <packaging>jar</packaging>

    <dependencies>

        <dependency>
            <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
            <version>${project.version}</version>
        </dependency>

        <dependency>
            <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-yaml</artifactId>
+            <artifactId>configured-gson</artifactId>
            <version>${project.version}</version>
            <scope>test</scope>
        </dependency>
@@ -7,7 +7,6 @@ import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.value.ValueManifest;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
 import cc.carm.lib.configuration.value.text.data.TextContents;
-import cc.carm.lib.configuration.value.text.function.TextDispatcher;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

@@ -22,7 +21,7 @@ import java.util.function.Consumer;
 */
 public class ConfiguredText<MSG, RECEIVER> extends ConfiguredValue<TextContents> {

-    public static <M, R> Builder<M, R, ?> builder() {
+    public static <M, R> Builder<M, R, ?> create() {
        return new StardardBuilder<>();
    }

@@ -38,7 +37,7 @@ public class ConfiguredText<MSG, RECEIVER> extends ConfiguredValue<TextContents>

    protected final @NotNull String[] params; // The parameters of the message.

-    public ConfiguredText(@NotNull ValueManifest<TextContents> manifest,
+    public ConfiguredText(@NotNull ValueManifest<TextContents, TextContents> manifest,
                          @NotNull BiFunction<RECEIVER, String, String> parser,
                          @NotNull BiFunction<RECEIVER, String, MSG> compiler,
                          @NotNull BiConsumer<RECEIVER, List<MSG>> dispatcher,
@@ -50,7 +49,7 @@ public class ConfiguredText<MSG, RECEIVER> extends ConfiguredValue<TextContents>
        this.params = params;
    }

-    public TextDispatcher<MSG, RECEIVER, ?> prepare(@NotNull Object... values) {
+    public PreparedText<MSG, RECEIVER> prepare(@NotNull Object... values) {
        return new PreparedText<MSG, RECEIVER>(resolve(), this.params)
                .parser(this.parser).compiler(this.compiler)
                .dispatcher(this.dispatcher).placeholders(values);
@@ -121,7 +120,7 @@ public class ConfiguredText<MSG, RECEIVER> extends ConfiguredValue<TextContents>
    }

    public abstract static class Builder<MSG, RECEIVER, SELF extends Builder<MSG, RECEIVER, SELF>>
-            extends AbstractConfigBuilder<TextContents, ConfiguredText<MSG, RECEIVER>, ConfigurationHolder<?>, SELF> {
+            extends AbstractConfigBuilder<TextContents, TextContents, ConfiguredText<MSG, RECEIVER>, ConfigurationHolder<?>, SELF> {
        protected @NotNull TextContents.Builder defaultBuilder = TextContents.builder();
        protected @NotNull String[] params = new String[0];

@@ -1,36 +1,27 @@
 package cc.carm.lib.configuration.value.text.function;

 import cc.carm.lib.configuration.value.text.data.TextContents;
+import cc.carm.lib.configuration.value.text.function.common.AppendLineInserter;
+import cc.carm.lib.configuration.value.text.function.common.OptionalLineInserter;
+import cc.carm.lib.configuration.value.text.function.common.ParamReplacer;
+import cc.carm.lib.configuration.value.text.function.inserter.ContentInserter;
+import cc.carm.lib.configuration.value.text.function.inserter.Insertable;
+import cc.carm.lib.configuration.value.text.function.replacer.ContentReplacer;
+import cc.carm.lib.configuration.value.text.function.replacer.Replaceable;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;

-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 import java.util.function.BiFunction;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.UnaryOperator;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.stream.IntStream;

-public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEIVER, SELF>> {
-
-    /**
-     * Used to match the message insertion
-     * <p>
-     * format:
-     * <br>- to insert parsed line {prefix}#content-id#{offset-above,offset-down}
-     * <br>- to insert original line {prefix}@content-id@{offset-above,offset-down}
-     * <br> example:
-     * <ul>
-     *     <li>{- }#content-id#{1,1}</li>
-     *     <li>@content-id@{1,1}</li>
-     * </ul>
-     */
-    public static final @NotNull Pattern INSERT_PATTERN = Pattern.compile(
-            "^(?:\\{(?<prefix>.*)})?(?<type>[#@])(?<id>.*)[#@](?:\\{(?<above>-?\\d+)(?:,(?<down>-?\\d+))?})?$"
-    );
-    public static final @NotNull UnaryOperator<String> DEFAULT_PARAM_BUILDER = s -> "%(" + s + ")";
+public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEIVER, SELF>>
+        implements Replaceable<RECEIVER, SELF>, Insertable<RECEIVER, SELF> {

    protected BiFunction<RECEIVER, String, String> parser = (receiver, value) -> value;
    protected String lineSeparator = System.lineSeparator();
@@ -38,16 +29,24 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
    /**
     * Used to store the placeholders of the message
     */
-    protected @NotNull Map<String, Object> placeholders = new HashMap<>();
-    protected @NotNull UnaryOperator<String> paramFormatter = DEFAULT_PARAM_BUILDER;
+    protected @NotNull ParamReplacer<RECEIVER> paramReplacer = ParamReplacer.defaults();
    protected @NotNull String[] params;

+    protected @NotNull List<ContentReplacer<RECEIVER>> replacers = new ArrayList<>();
+    protected @NotNull List<ContentInserter<RECEIVER>> inserters = new ArrayList<>();
+
    /**
     * Used to store the insertion of the message
     */
-    protected @NotNull Map<String, Function<RECEIVER, List<String>>> insertion = new HashMap<>();
+    protected final @NotNull Map<String, @Nullable Function<RECEIVER, List<String>>> insertion = new HashMap<>();
    protected boolean disableInsertion = false;

+    public ContentHandler() {
+        inserters.add(new AppendLineInserter<>(0));
+        inserters.add(new OptionalLineInserter<>(0));
+    }
+
+
    public abstract SELF self();

    /**
@@ -71,6 +70,11 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
        return self();
    }

+    @Override
+    public boolean noneInsertion() {
+        return this.insertion.isEmpty();
+    }
+
    /**
     * Set the line separator for the text.
     *
@@ -90,7 +94,7 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
     * @return the current {@link ContentHandler} instance
     */
    public SELF placeholders(@NotNull Map<String, Object> placeholders) {
-        this.placeholders = placeholders;
+        this.paramReplacer.set(placeholders);
        return self();
    }

@@ -101,7 +105,7 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
     * @return the current {@link ContentHandler} instance
     */
    public SELF placeholders(@NotNull Consumer<Map<String, Object>> consumer) {
-        consumer.accept(this.placeholders);
+        consumer.accept(this.paramReplacer.placeholders());
        return self();
    }

@@ -112,7 +116,8 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
     * @return the current {@link ContentHandler} instance
     */
    public SELF placeholders(@Nullable Object... values) {
-        return placeholders(map -> map.putAll(buildParams(this.paramFormatter, this.params, values)));
+        this.paramReplacer.putAll(this.params, values);
+        return self();
    }

    /**
@@ -123,7 +128,7 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
     * @return the current {@link ContentHandler} instance
     */
    public SELF placeholder(@NotNull String key, @Nullable Object value) {
-        this.placeholders.put(paramFormatter.apply(key), value);
+        this.paramReplacer.put(key, value);
        return self();
    }

@@ -139,38 +144,57 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
        return self();
    }

-    /**
-     * Insert the specific contents by the id.
-     *
-     * @param id            the id of the insertion text
-     * @param linesSupplier to supply the lines to insert
-     * @return the current {@link ContentHandler} instance
-     */
-    public SELF insert(@NotNull String id, @NotNull Function<RECEIVER, List<String>> linesSupplier) {
-        this.insertion.put(id, linesSupplier);
+    @Override
+    public List<ContentReplacer<RECEIVER>> replacers() {
+        return this.replacers;
+    }
+
+    @Override
+    public SELF replacer(@NotNull ContentReplacer<RECEIVER> replacer) {
+        this.replacers.add(replacer);
+        this.replacers.sort(ContentReplacer::compareTo);
        return self();
    }

-    /**
-     * Insert the specific contents by the id.
-     *
-     * @param id    the id of the insertion text
-     * @param lines the lines to insert
-     * @return the current {@link ContentHandler} instance
-     */
-    public SELF insert(@NotNull String id, @NotNull String... lines) {
-        return insert(id, Arrays.asList(lines));
+    public SELF paramReplacer(@NotNull ParamReplacer<RECEIVER> paramReplacer) {
+        this.paramReplacer = paramReplacer;
+        return self();
    }

-    /**
-     * Insert the specific contents by the id.
-     *
-     * @param id    the id of the insertion text
-     * @param lines the lines to insert
-     * @return the current {@link ContentHandler} instance
-     */
-    public SELF insert(@NotNull String id, @NotNull List<String> lines) {
-        return insert(id, receiver -> lines);
+    @Override
+    public List<ContentInserter<RECEIVER>> inserters() {
+        return this.inserters;
+    }
+
+    @Override
+    public SELF inserter(@NotNull ContentInserter<RECEIVER> inserter) {
+        this.inserters.add(inserter);
+        this.inserters.sort(ContentInserter::compareTo);
+        return self();
+    }
+
+    @Override
+    public SELF insert(@NotNull String id, @Nullable Function<RECEIVER, List<String>> supplier) {
+        this.insertion.put(id, supplier);
+        return self();
+    }
+
+    @Override
+    public boolean inserting(@NotNull String id) {
+        return this.insertion.keySet().stream().anyMatch(key -> key.equalsIgnoreCase(id));
+    }
+
+    @Override
+    public @Nullable List<String> getInsertion(@NotNull String id, @Nullable RECEIVER receiver) {
+        Function<RECEIVER, List<String>> function = this.insertion.get(id);
+        if (function == null) return null;
+        return function.apply(receiver);
+    }
+
+    @Override
+    public SELF removeInsert(@NotNull String id) {
+        this.insertion.remove(id);
+        return self();
    }

    /**
@@ -192,47 +216,38 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
     * @return the parsed text
     */
    protected @Nullable String parse(@Nullable RECEIVER receiver, @NotNull String text) {
-        return this.parser.apply(receiver, setPlaceholders(text, this.placeholders));
+        text = applyReplacements(receiver, text); // First, apply the custom replacements
+        text = this.paramReplacer.replace(text, receiver); // Then, apply the static placeholders
+        return this.parser.apply(receiver, text); // Finally, parse the text
    }

    public void handle(@NotNull TextContents contents, @Nullable RECEIVER receiver,
                       @NotNull Consumer<String> lineConsumer) {
        if (contents.isEmpty()) return; // Nothing to parse

-        if (this.disableInsertion) {
+        if (this.disableInsertion || noneInsertion()) {
            contents.lines().forEach(line -> lineConsumer.accept(parse(receiver, line)));
            return; // Simple parsed
        }

+        // Set the default insertion of the text
+        for (Map.Entry<String, @Nullable Function<RECEIVER, List<String>>> entry : this.insertion.entrySet()) {
+            if (entry.getValue() != null) continue;
+            List<String> lines = contents.optionalLines().get(entry.getKey());
+            if (lines == null) continue;
+            entry.setValue(r -> lines);
+        }
+
+        lines:
        for (String line : contents.lines()) {
-            Matcher matcher = INSERT_PATTERN.matcher(line);
-            if (!matcher.matches()) {
+            for (ContentInserter<RECEIVER> inserter : inserters) {
+                List<String> inserted = inserter.handle(receiver, line, this);
+                if (inserted != null) { // Found the insertion
+                    inserted.forEach(l -> lineConsumer.accept(parse(receiver, l)));
+                    continue lines; // Go to the next line
+                }
+            }
            lineConsumer.accept(parse(receiver, line));
-                continue;
-            }
-
-            String id = matcher.group("id");
-            List<String> values = Optional.ofNullable(this.insertion.get(id))
-                    .map(f -> f.apply(receiver))
-                    .orElse(null);
-            if (values == null || values.isEmpty()) continue;
-
-            String prefix = matcher.group("prefix");
-            String type = matcher.group("type");
-            boolean original = type.equals("@");
-            int offsetAbove = Optional.ofNullable(matcher.group("above"))
-                    .map(Integer::parseInt).orElse(0);
-            int offsetDown = Optional.ofNullable(matcher.group("down"))
-                    .map(Integer::parseInt).orElse(offsetAbove); // If offsetDown is not set, use offsetAbove
-
-            IntStream.range(0, Math.max(0, offsetAbove)).mapToObj(i -> "").forEach(lineConsumer);
-            String prefixContent = Optional.ofNullable(prefix).map(p -> parse(receiver, p)).orElse("");
-            if (original) {
-                values.stream().map(value -> prefixContent + value).forEach(lineConsumer);
-            } else {
-                values.stream().map(value -> prefixContent + parse(receiver, value)).forEach(lineConsumer);
-            }
-            IntStream.range(0, Math.max(0, offsetDown)).mapToObj(i -> "").forEach(lineConsumer);
        }
    }

@@ -0,0 +1,67 @@
+package cc.carm.lib.configuration.value.text.function.common;
+
+import cc.carm.lib.configuration.value.text.function.inserter.ContentInserter;
+import cc.carm.lib.configuration.value.text.function.inserter.Insertable;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.IntStream;
+
+public class AppendLineInserter<RECEIVER> extends ContentInserter<RECEIVER> {
+
+    /**
+     * Used to match the message insertion.
+     * <p>
+     * format:
+     * <br>- to insert parsed line {prefix}#content-id#{offset-above,offset-down}
+     * <br>- to insert original line {prefix}@content-id@{offset-above,offset-down}
+     * <br>  original lines will not be parsed
+     * <br> example:
+     * <ul>
+     *     <li>{- }#content-id#{1,1}</li>
+     *     <li>@content-id@{1,1}</li>
+     * </ul>
+     */
+    public static final @NotNull Pattern APPEND_PATTERN = Pattern.compile(
+            "^(?:\\{(?<prefix>.*)})?#(?<id>.*)#(?:\\{(?<above>-?\\d+)(?:,(?<down>-?\\d+))?})?$"
+    );
+
+    public AppendLineInserter(int priority) {
+        super(priority, APPEND_PATTERN);
+    }
+
+    @Override
+    protected @Nullable String extractID(@NotNull Matcher matcher) {
+        return matcher.group("id");
+    }
+
+    @Override
+    protected @NotNull List<String> get(@Nullable RECEIVER receiver, @NotNull Matcher matcher,
+                                        @NotNull Insertable<RECEIVER, ?> insertion) {
+        String id = extractID(matcher);
+        List<String> values = insertion.getInsertion(id, receiver);
+        if (values == null || values.isEmpty()) return Collections.emptyList(); // No values to insert
+
+        String prefix = Optional.ofNullable(matcher.group("prefix")).orElse("");
+        int offsetAbove = Optional.ofNullable(matcher.group("above"))
+                .map(Integer::parseInt).orElse(0);
+        int offsetDown = Optional.ofNullable(matcher.group("down"))
+                .map(Integer::parseInt).orElse(offsetAbove); // If offsetDown is not set, use offsetAbove
+
+        List<String> contents = new ArrayList<>();
+
+        IntStream.range(0, Math.max(0, offsetAbove)).mapToObj(i -> "").forEach(contents::add);
+        values.stream().map(value -> prefix + value).forEach(contents::add);
+        IntStream.range(0, Math.max(0, offsetDown)).mapToObj(i -> "").forEach(contents::add);
+
+        return contents;
+    }
+
+
+}
@@ -0,0 +1,46 @@
+package cc.carm.lib.configuration.value.text.function.common;
+
+import cc.carm.lib.configuration.value.text.function.inserter.ContentInserter;
+import cc.carm.lib.configuration.value.text.function.inserter.Insertable;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class OptionalLineInserter<RECEIVER> extends ContentInserter<RECEIVER> {
+
+    /**
+     * Used to match the message which can be inserted
+     * <p>
+     * format:
+     * <br>- ?[id]Message content
+     * <br> example:
+     * <ul>
+     *     <li>?[click]Click to use this item!</li>
+     * </ul>
+     */
+    public static final @NotNull Pattern OPTIONAL_PATTERN = Pattern.compile(
+            "^\\?\\[(?<id>.+)](?<content>.*)$"
+    );
+
+    public OptionalLineInserter(int priority) {
+        super(priority, OPTIONAL_PATTERN);
+    }
+
+    @Override
+    protected @Nullable String extractID(@NotNull Matcher matcher) {
+        return matcher.group("id");
+    }
+
+    @Override
+    protected @NotNull List<String> get(@Nullable RECEIVER receiver, @NotNull Matcher matcher,
+                                        @NotNull Insertable<RECEIVER, ?> insertion) {
+        String content = matcher.group("content");
+        if (content == null) return Collections.emptyList();
+        return Collections.singletonList(content);
+    }
+
+}
@@ -0,0 +1,71 @@
+package cc.carm.lib.configuration.value.text.function.common;
+
+import cc.carm.lib.configuration.value.text.function.replacer.ContentReplacer;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class ParamReplacer<RECEIVER> extends ContentReplacer<RECEIVER> {
+
+    public static final @NotNull Pattern DEFAULT_PARAM_PATTERN = Pattern.compile("%\\((?<id>[^)]+)\\)");
+
+    public static <R> ParamReplacer<R> defaults() {
+        return create(DEFAULT_PARAM_PATTERN, m -> m.group("id"));
+    }
+
+    public static <R> ParamReplacer<R> create(@NotNull Pattern pattern, @NotNull Function<Matcher, String> extractor) {
+        return new ParamReplacer<>(0, pattern, extractor);
+    }
+
+    protected final @NotNull Function<Matcher, @Nullable String> extractor;
+    protected @NotNull Map<String, Object> placeholders = new HashMap<>();
+
+    public ParamReplacer(int priority, @NotNull Pattern pattern, @NotNull Function<Matcher, String> extractor) {
+        super(priority, pattern);
+        this.extractor = extractor;
+    }
+
+    public @NotNull Map<String, Object> placeholders() {
+        return placeholders;
+    }
+
+    @Override
+    protected @Nullable String get(@NotNull RECEIVER receiver, @NotNull Matcher matcher) {
+        @Nullable String id = extractor.apply(matcher);
+        if (id == null) return null;
+        Object value = placeholders.get(id);
+        if (value == null) return null;
+        return value.toString();
+    }
+
+    public void set(@NotNull Map<String, Object> placeholders) {
+        this.placeholders = placeholders;
+    }
+
+    public void put(@NotNull String id, @Nullable Object value) {
+        placeholders.put(id, value);
+    }
+
+    public void remove(@NotNull String id) {
+        placeholders.remove(id);
+    }
+
+    public void putAll(@NotNull Map<String, Object> placeholders) {
+        this.placeholders.putAll(placeholders);
+    }
+
+    public void putAll(@NotNull String[] params, @NotNull Object[] values) {
+        for (int i = 0; i < params.length; i++) {
+            placeholders.put(params[i], (values != null && values.length > i) ? values[i] : "?");
+        }
+    }
+
+    public void clear() {
+        placeholders.clear();
+    }
+}
@@ -0,0 +1,51 @@
+package cc.carm.lib.configuration.value.text.function.inserter;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public abstract class ContentInserter<RECEIVER> implements Comparable<ContentInserter<RECEIVER>> {
+
+    protected final int priority;
+    protected @NotNull Pattern pattern;
+
+    public ContentInserter(int priority, @NotNull Pattern pattern) {
+        this.priority = priority;
+        this.pattern = pattern;
+    }
+
+    public int priority() {
+        return priority;
+    }
+
+    public void setPattern(@NotNull Pattern pattern) {
+        this.pattern = pattern;
+    }
+
+    public @NotNull Matcher matcher(@NotNull String text) {
+        return pattern.matcher(text);
+    }
+
+    protected abstract @Nullable String extractID(@NotNull Matcher matcher);
+
+    protected abstract @NotNull List<String> get(@Nullable RECEIVER receiver, @NotNull Matcher matcher,
+                                                 @NotNull Insertable<RECEIVER, ?> insertions);
+
+    public @Nullable List<String> handle(@Nullable RECEIVER receiver, @NotNull String line,
+                                         @NotNull Insertable<RECEIVER, ?> insertions) {
+        Matcher matcher = matcher(line);
+        if (!matcher.matches()) return null;
+        if (!insertions.inserting(extractID(matcher))) return Collections.emptyList();
+        return get(receiver, matcher, insertions);
+    }
+
+    @Override
+    public int compareTo(@NotNull ContentInserter<RECEIVER> o) {
+        return Integer.compare(o.priority, priority);
+    }
+
+}
@@ -0,0 +1,66 @@
+package cc.carm.lib.configuration.value.text.function.inserter;
+
+import cc.carm.lib.configuration.value.text.function.ContentHandler;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.function.Function;
+
+public interface Insertable<RECEIVER, SELF> {
+
+    List<ContentInserter<RECEIVER>> inserters();
+
+    SELF inserter(@NotNull ContentInserter<RECEIVER> inserter);
+
+    boolean noneInsertion();
+
+    boolean inserting(@NotNull String id);
+
+    @Nullable List<String> getInsertion(@NotNull String id, @Nullable RECEIVER receiver);
+
+    /**
+     * Insert the specific contents by the id.
+     *
+     * @param id       the id of the insertion text
+     * @param supplier to supply the lines to insert
+     * @return the current {@link ContentHandler} instance
+     */
+    SELF insert(@NotNull String id, @Nullable Function<RECEIVER, List<String>> supplier);
+
+    /**
+     * Insert the specific contents by the id.
+     *
+     * @param id the id of the insertion text
+     * @return the current {@link ContentHandler} instance
+     */
+    default SELF insert(@NotNull String id) {
+        return insert(id, (Function<RECEIVER, List<String>>) null);
+    }
+
+    /**
+     * Insert the specific contents by the id.
+     *
+     * @param id       the id of the insertion text
+     * @param contents the lines to insert
+     * @return the current {@link ContentHandler} instance
+     */
+    default SELF insert(@NotNull String id, @NotNull List<String> contents) {
+        return insert(id, receiver -> contents);
+    }
+
+    /**
+     * Insert the specific contents by the id.
+     *
+     * @param id       the id of the insertion text
+     * @param contents the lines to insert
+     * @return the current {@link ContentHandler} instance
+     */
+    default SELF insert(@NotNull String id, @NotNull String... contents) {
+        return insert(id, Arrays.asList(contents));
+    }
+
+    SELF removeInsert(@NotNull String id);
+
+}
@@ -0,0 +1,105 @@
+package cc.carm.lib.configuration.value.text.function.replacer;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public abstract class ContentReplacer<RECEIVER> implements Comparable<ContentReplacer<RECEIVER>> {
+
+    public static <R> ContentReplacer.Builder<R> match(@NotNull Pattern pattern) {
+        return new Builder<>(pattern);
+    }
+
+    public static <R> ContentReplacer.Builder<R> match(@NotNull String pattern) {
+        return match(Pattern.compile(pattern));
+    }
+
+    public static <R> ContentReplacer.Builder<R> replace(@NotNull String text) {
+        return match(Pattern.quote(text));
+    }
+
+    protected final int priority;
+    protected @NotNull Pattern pattern;
+
+    public ContentReplacer(int priority, @NotNull Pattern pattern) {
+        this.priority = priority;
+        this.pattern = pattern;
+    }
+
+    public int priority() {
+        return priority;
+    }
+
+    public void pattern(@NotNull Pattern pattern) {
+        this.pattern = pattern;
+    }
+
+    public @NotNull Matcher matcher(@NotNull String text) {
+        return pattern.matcher(text);
+    }
+
+    public String replace(@NotNull String text, @Nullable RECEIVER receiver) {
+        Matcher matcher = matcher(text);
+        StringBuffer sb = new StringBuffer();
+        while (matcher.find()) {
+            String replaced = get(receiver, matcher);
+            matcher.appendReplacement(sb, replaced == null ? "" : replaced);
+        }
+        matcher.appendTail(sb);
+        return sb.toString();
+    }
+
+    protected abstract @Nullable String get(@Nullable RECEIVER receiver, @NotNull Matcher matcher);
+
+    @Override
+    public int compareTo(@NotNull ContentReplacer<RECEIVER> o) {
+        return Integer.compare(o.priority, this.priority);
+    }
+
+    public static class Builder<R> {
+
+        protected final @NotNull Pattern pattern;
+        protected int priority = 0;
+
+        public Builder(@NotNull Pattern pattern) {
+            this.pattern = pattern;
+        }
+
+        public @NotNull Builder<R> priority(int priority) {
+            this.priority = priority;
+            return this;
+        }
+
+        public @NotNull ContentReplacer<R> to(BiFunction<@Nullable R, @NotNull Matcher, @Nullable String> supplier) {
+            return new ContentReplacer<R>(this.priority, this.pattern) {
+                @Override
+                protected @Nullable String get(@NotNull R receiver, @NotNull Matcher matcher) {
+                    return supplier.apply(receiver, matcher);
+                }
+            };
+        }
+
+        public @NotNull ContentReplacer<R> to(Function<@Nullable R, @Nullable String> supplier) {
+            return to((receiver, matchedParam) -> supplier.apply(receiver));
+        }
+
+        public @NotNull ContentReplacer<R> to(Supplier<@Nullable String> supplier) {
+            return to((receiver, matchedParam) -> supplier.get());
+        }
+
+        public @NotNull ContentReplacer<R> to(@NotNull String content) {
+            return to(() -> content);
+        }
+
+    }
+
+    @FunctionalInterface
+    public interface Constructor<R> extends Function<ContentReplacer.Builder<R>, ContentReplacer<R>> {
+    }
+
+}
@@ -0,0 +1,63 @@
+package cc.carm.lib.configuration.value.text.function.replacer;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public interface Replaceable<RECEIVER, SELF> {
+
+    List<ContentReplacer<RECEIVER>> replacers();
+
+    default String applyReplacements(@Nullable RECEIVER receiver, @NotNull String text) {
+        for (ContentReplacer<RECEIVER> replacer : replacers()) {
+            text = replacer.replace(text, receiver);
+        }
+        return text;
+    }
+
+    SELF replacer(@NotNull ContentReplacer<RECEIVER> replacer);
+
+    default SELF replacer(@NotNull Pattern pattern, @NotNull ContentReplacer.Constructor<RECEIVER> constructor) {
+        ContentReplacer.Builder<RECEIVER> builder = ContentReplacer.match(pattern);
+        return replacer(constructor.apply(builder));
+    }
+
+    default SELF replace(@NotNull Pattern pattern,
+                         @NotNull BiFunction<@Nullable RECEIVER, @NotNull Matcher, @Nullable String> supplier) {
+        return replacer(pattern, builder -> builder.to(supplier));
+    }
+
+    default SELF replace(@NotNull Pattern pattern,
+                         @NotNull Function<@Nullable RECEIVER, @Nullable String> supplier) {
+        return replacer(pattern, builder -> builder.to(supplier));
+    }
+
+    default SELF replace(@NotNull Pattern pattern,
+                         @NotNull Supplier<@Nullable String> supplier) {
+        return replacer(pattern, builder -> builder.to(supplier));
+    }
+
+    default SELF replace(@NotNull Pattern pattern, @NotNull String replacement) {
+        return replacer(pattern, builder -> builder.to(replacement));
+    }
+
+    default SELF replace(@NotNull String text, @NotNull String replacement) {
+        return replacer(Pattern.compile(Pattern.quote(text)), builder -> builder.to(replacement));
+    }
+
+    default SELF replace(@NotNull String text, @NotNull Supplier<@Nullable String> supplier) {
+        return replacer(Pattern.compile(Pattern.quote(text)), builder -> builder.to(supplier));
+    }
+
+    default SELF replace(@NotNull String text,
+                         @NotNull Function<@Nullable RECEIVER, @Nullable String> supplier) {
+        return replacer(Pattern.compile(Pattern.quote(text)), builder -> builder.to(supplier));
+    }
+
+}
@@ -2,12 +2,14 @@ package cc.carm.lib.configuration.value.text.tests;


 import cc.carm.lib.configuration.source.ConfigurationHolder;
-import cc.carm.lib.configuration.source.yaml.YAMLConfigFactory;
+import cc.carm.lib.configuration.source.json.JSONConfigFactory;
 import cc.carm.lib.configuration.value.text.tests.conf.AppMessages;
 import org.junit.Test;

-public class ConfigTest {
+import java.io.File;
+import java.util.List;

+public class ConfigTest {

    public static final String[] WEBSITES = new String[]{
            "https://carm.cc",
@@ -15,21 +17,20 @@ public class ConfigTest {
            "https://www.google.com"
    };

-
    @Test
    public void test() {

-        ConfigurationHolder<?> holder = YAMLConfigFactory.from("target/messages.yml").build();
+        ConfigurationHolder<?> holder = JSONConfigFactory.from(new File("target/messages.json")).build();

        holder.initialize(AppMessages.class);

        System.out.println("--------------------------");

-        AppMessages.WELCOME.prepare()
+        List<String> str = AppMessages.WELCOME.prepare()
                .placeholders("Carm")
                .insert("guidance")
                .insert("websites", WEBSITES)
-                .to(System.out);
+                .compile(System.out);

        System.out.println("--------------------------");

@@ -7,6 +7,7 @@ import org.junit.Test;
 import java.io.PrintStream;
 import java.util.*;

+
 public class ParseTest {


@@ -20,10 +21,13 @@ public class ParseTest {
        lines.add("#guidance#");
        lines.add("{ -   }#websites#{0,1}");
        lines.add("Thanks for your reading!");
-
+        lines.add("uuid: $UUID$");
+        lines.add("?[click]");
+        lines.add("?[click]Click to see more!");
+        lines.add("?[hidden]This entry should be hidden!");

        Map<String, List<String>> optional = new HashMap<>();
-        optional.put("guidance", Arrays.asList("To get more information for %(name), see:"));
+        optional.put("guidance", Arrays.asList("To get more information for %(name),", " see:"));
        optional.put("websites", Arrays.asList("https://www.baidu.com", "https://www.google.com"));

        TextContents textContents = new TextContents(lines, optional);
@@ -31,12 +35,17 @@ public class ParseTest {
        PreparedText<String, PrintStream> msg = new PreparedText<String, PrintStream>(textContents)
                .dispatcher((p, s) -> s.forEach(p::println))
                .parser((p, s) -> s)
-                .compiler((p, s) -> s);
+                .compiler((p, s) -> s)
+                .replace(    // Custom replacer, replace $UUID$ with Random UUID
+                        "$UUID$", () -> UUID.randomUUID().toString()
+                );

        msg.placeholder("name", "Carm")
                .insert("guidance")
+                .insert("click")
                .insert("websites", "Baidu", "Bilibili", "Google");

+
        System.out.println("----------------------------");
        msg.to(System.out);
        System.out.println("----------------------------");
@@ -17,7 +17,8 @@ public class ConfiguredMsg extends ConfiguredText<String, PrintStream> {
        return builder().defaults(text).build();
    }

-    public ConfiguredMsg(@NotNull ValueManifest<TextContents> manifest, @NotNull String[] params) {
+    public ConfiguredMsg(@NotNull ValueManifest<TextContents, TextContents> manifest,
+                         @NotNull String[] params) {
        super(
                manifest,
                (p, s) -> s,
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cc.carm.lib</groupId>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.5</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <properties>
+        <maven.compiler.source>${project.jdk.version}</maven.compiler.source>
+        <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+    </properties>
+
+    <artifactId>configured-feature-validators</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>configured-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
@@ -0,0 +1,16 @@
+package cc.carm.lib.configuration.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ValuePattern {
+
+    String value();
+
+    String message() default "Invalid value format!";
+
+}
@@ -0,0 +1,18 @@
+package cc.carm.lib.configuration.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ValueRange {
+
+    long min() default Long.MIN_VALUE;
+
+    long max() default Long.MAX_VALUE;
+
+    String message() default "Value out of range.";
+
+}
@@ -0,0 +1,44 @@
+package cc.carm.lib.configuration.validators;
+
+import cc.carm.lib.configuration.annotation.ValuePattern;
+import cc.carm.lib.configuration.annotation.ValueRange;
+import cc.carm.lib.configuration.function.ValueValidator;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.regex.Pattern;
+
+public class Validators {
+
+    private Validators() {
+        throw new UnsupportedOperationException("API Register.");
+    }
+
+    public static void activate(ConfigurationHolder<?> holder) {
+        holder.initializer().registerValidAnnotation(ValueRange.class, r -> (ho, value) -> {
+            if (!(value instanceof Number)) {
+                throw new IllegalArgumentException("Value is not a number: " + value);
+            }
+
+            Number number = (Number) value;
+            if (number.doubleValue() < r.min() || number.doubleValue() > r.max()) {
+                throw new IllegalArgumentException(r.message());
+            }
+        });
+
+        holder.initializer().registerValidAnnotation(ValuePattern.class, r -> new ValueValidator<Object>() {
+            private final Pattern pattern = Pattern.compile(r.value());
+
+            @Override
+            public void validate(@NotNull ConfigurationHolder<?> holder, @Nullable Object value) throws Exception {
+                if (value == null) return;
+                if (!pattern.matcher(value.toString()).matches()) {
+                    throw new IllegalArgumentException(r.message());
+                }
+            }
+        });
+
+    }
+
+}
@@ -5,8 +5,8 @@
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
-        <version>4.0.4</version>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.5</version>
        <relativePath>../../pom.xml</relativePath>
    </parent>
    <properties>
@@ -16,13 +16,13 @@
        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
    </properties>

-    <artifactId>easyconfiguration-feature-versioned</artifactId>
+    <artifactId>configured-feature-versioned</artifactId>
    <packaging>jar</packaging>

    <dependencies>
        <dependency>
            <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
            <version>${project.version}</version>
        </dependency>
    </dependencies>
@@ -1,6 +1,5 @@
 package cc.carm.lib.configuration.annotation;

-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Range;

 import java.lang.annotation.ElementType;
@@ -22,7 +21,7 @@ public @interface ConfigVersion {
     *
     * @return the version of the configuration field
     */
-    @Range(from = 0, to = Integer.MAX_VALUE)
+    @Range(from = 0, to = 65535)
    int value() default 0;

 }
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
carm	76d276436b	ci(deploy): Skip deployment for demo project.	2025-05-14 03:55:54 +08:00
carm	e7198f22d5	ci(deploy): Skip deployment for demo project.	2025-05-14 03:48:54 +08:00
carm	5bd20e173f	ci(deploy): Skip deployment for demo project.	2025-05-14 03:41:15 +08:00
carm	15c4bb13e8	build(repo): Use official repositories.	2025-05-14 03:33:45 +08:00
dependabot[bot]	b74eb5c035	build(deps): bump com.google.code.gson:gson from 2.13.0 to 2.13.1 Bumps [com.google.code.gson:gson](https://github.com/google/gson) from 2.13.0 to 2.13.1. - [Release notes](https://github.com/google/gson/releases) - [Changelog](https://github.com/google/gson/blob/main/CHANGELOG.md) - [Commits](https://github.com/google/gson/compare/gson-parent-2.13.0...gson-parent-2.13.1) --- updated-dependencies: - dependency-name: com.google.code.gson:gson dependency-version: 2.13.1 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>	2025-05-14 03:27:17 +08:00
renovate[bot]	ed3a68af1e	fix(deps): update kotlin monorepo to v2.1.21	2025-05-14 03:25:58 +08:00
dependabot[bot]	447b82c880	build(deps): bump org.mongodb:mongodb-driver-sync from 5.4.0 to 5.5.0 Bumps [org.mongodb:mongodb-driver-sync](https://github.com/mongodb/mongo-java-driver) from 5.4.0 to 5.5.0. - [Release notes](https://github.com/mongodb/mongo-java-driver/releases) - [Commits](https://github.com/mongodb/mongo-java-driver/compare/r5.4.0...r5.5.0) --- updated-dependencies: - dependency-name: org.mongodb:mongodb-driver-sync dependency-version: 5.5.0 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>	2025-05-14 03:25:49 +08:00
carm	5700f8c1c6	Merge remote-tracking branch 'origin/master'	2025-04-18 00:53:01 +08:00
carm	1cf230d6b6	chore: Bump to 4.1.4	2025-04-18 00:52:51 +08:00
carm	1ffd4b2f0b	build(checks): Bye codacy.	2025-04-18 00:31:42 +08:00
dependabot[bot]	92ce780d6f	build(deps): bump kotlin.version from 1.9.22 to 2.1.20 Bumps `kotlin.version` from 1.9.22 to 2.1.20. Updates `org.jetbrains.kotlin:kotlin-stdlib-jdk8` from 1.9.22 to 2.1.20 - [Release notes](https://github.com/JetBrains/kotlin/releases) - [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md) - [Commits](https://github.com/JetBrains/kotlin/compare/v1.9.22...v2.1.20) Updates `org.jetbrains.kotlin:kotlin-maven-plugin` from 1.9.22 to 2.1.20 --- updated-dependencies: - dependency-name: org.jetbrains.kotlin:kotlin-stdlib-jdk8 dependency-version: 2.1.20 dependency-type: direct:production update-type: version-update:semver-major - dependency-name: org.jetbrains.kotlin:kotlin-maven-plugin dependency-version: 2.1.20 dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>	2025-04-18 00:30:08 +08:00
carm	a2de3303e8	feat(section): Add more section functions	2025-04-17 23:55:15 +08:00
renovate[bot]	47a1981002	fix(deps): update dependency com.google.code.gson:gson to v2.13.0	2025-04-17 22:06:46 +08:00
renovate[bot]	b97bc5d1a9	chore(deps): update dependency org.apache.maven.plugins:maven-surefire-plugin to v3.5.3	2025-04-17 22:05:43 +08:00
carm	cc927fdc0e	Merge pull request #134 from huanmeng-qwq/language/kotlin feat: Support kotlin dsl	2025-04-17 22:05:28 +08:00
carm	5dc2693106	build(doc): Removed javadoc generation for demo project.	2025-04-17 18:44:48 +08:00
carm	472ce66ca7	build(kotlin): Fixed version	2025-04-17 18:13:00 +08:00
carm	796771554f	Merge branch 'master' into language/kotlin	2025-04-17 17:48:38 +08:00
carm	28cb5d4c83	refactor(demo): Move all tests to demo.	2025-04-17 17:43:29 +08:00
carm	a670aec986	fix(deps): Fixed the missing kotlin version.	2025-03-30 22:48:19 +08:00
renovate[bot]	51c54b9b53	fix(deps): update dependency org.mongodb:mongodb-driver-sync to v5.4.0	2025-03-23 01:10:53 +08:00
huanmeng-qwq	fa99385ff0	feat: Support kotlin dsl	2025-03-22 17:43:48 +08:00
carm	70a3b893a6	chore(text): Add missing text functions	2025-03-21 03:30:47 +08:00
carm	c32a941906	docs: Edit logo size	2025-03-21 02:32:33 +08:00
carm	8b597d10f9	feat: Optimized ContentHandler with Replacer & Inserter.	2025-03-21 02:31:04 +08:00
carm	cedfcfd262	docs: Update banners and icons	2025-03-21 02:30:35 +08:00
carm	12add75232	feat: Enhanced text content replacer	2025-03-20 20:28:33 +08:00
carm	4d29a24768	docs: Edited readme	2025-03-20 17:16:33 +08:00
carm	8626b86961	chore: Change logo	2025-03-20 16:08:17 +08:00
carm	754dc1de1f	feat: Change logo	2025-03-20 16:04:50 +08:00
carm	3d1d4ca609	chore: Add logo & icon.	2025-03-20 15:32:27 +08:00
carm	990b10b6f0	chore: Add logo & icon.	2025-03-20 15:30:34 +08:00
carm	7462cd720e	chore: Optimize code format & functions.	2025-03-19 18:36:08 +08:00
carm	6bc83eb3b3	chore: Optimize code format & functions.	2025-03-19 18:35:45 +08:00
carm	dbec551c84	chore: Fixed the param errors.	2025-03-17 01:39:08 +08:00
carm	82cca5eca2	feat(exception): Supported ConfigExceptionHandler for holders.	2025-03-17 01:06:57 +08:00
carm	65f3cc1b3d	feat(validator): Support validators for config values. BREAKING CHANGE: `ValueManifest` and `ConfigValue` added a new type "UNIT" to mark the minimal unit value of this instance. link #132	2025-03-17 00:26:47 +08:00
carm	fae048dd69	feat(validator): Support validators for config values. BREAKING CHANGE: `ValueManifest` and `ConfigValue` added a new type "UNIT" to mark the minimal unit value of this instance. link #132	2025-03-16 23:56:36 +08:00
carm	854e3df49f	feat: Upgrade configured to v4.1.0	2025-03-15 01:52:52 +08:00
carm	f6167c3b5e	docs: Update license [skip ci]	2025-03-15 01:51:07 +08:00
carm	ffe3e88b3b	docs: Translated to English	2025-03-14 19:34:06 +08:00
carm	caa3077f48	chore: Add missing @Nullable	2025-03-14 19:33:30 +08:00
carm	05dbf0b504	docs: Redesign readme	2025-03-14 19:20:31 +08:00
carm	810e95198e	docs: Redesign readme	2025-03-14 19:17:26 +08:00
carm	10004f16b4	docs(logo): Add project banner & logo	2025-03-14 19:09:43 +08:00
carm	8e19748c7c	feat(map): Add more builder functions	2025-03-12 04:04:00 +08:00
carm	17762a2e70	refactor(proj): Change project name to "configured"	2025-03-12 03:27:35 +08:00
carm	7dbd607a3f	refactor(proj): Change project name to "configured"	2025-03-12 03:22:40 +08:00
carm	035e8a227e	test(parse): Add more tests	2025-03-06 20:12:33 +08:00
carm	04eaf6606d	feat: Jump to 4.0.11	2025-03-06 18:19:25 +08:00
carm	e558e93410	feat(sql): Support custom sql table schema	2025-03-06 18:19:06 +08:00
flowerinsnow	e55fe3a8d5	feat: hocon supported	2025-03-06 18:03:27 +08:00
carm	8f075b99b5	chore(deps): use parent dependencies' version	2025-03-04 11:58:01 +08:00
carm	09a0b3c373	chore(deps): use parent dependencies' version	2025-03-04 11:34:16 +08:00
carm	4df4977733	feat(msg): add enhanced text support	2025-03-04 04:21:58 +08:00
carm	6434feb980	fix(sql): Fixed sql table format	2025-03-04 01:57:04 +08:00
carm	bc3e4b3e6f	fix(comment): Fixed yaml comments	2025-03-04 01:24:12 +08:00
carm	c2a9e2254c	feat(section): Add ConfigureSection#asMap function	2025-03-04 01:06:21 +08:00
carm	251dd208af	feat(sql): Support SQL sources	2025-03-03 19:00:28 +08:00
carm	afd1bbfc0f	feat(sql): Support SQL sources	2025-03-03 18:52:41 +08:00
carm	a699f6c164	feat(sql): Support SQL sources	2025-03-03 18:51:21 +08:00
carm	844cbfab53	feat(sql): Try to implement sql source	2025-02-27 13:32:12 +08:00
carm	f74d5d29f9	feat(mongo): Finished source for MongoDB #105	2025-02-27 00:46:44 +08:00
carm	6f28abebb9	feat(section): Add #path and #fullPath for sections	2025-02-25 00:04:24 +08:00
LSeng	842cd78ce3	feat(section): Implement createSection() for ShadedSection	2025-02-22 23:56:45 +08:00
carm	11f1f36a15	docs: Change logo file	2025-02-22 10:13:54 +08:00
renovate[bot]	ee9f29ba30	chore(deps): update dependency org.apache.maven.plugins:maven-compiler-plugin to v3.14.0	2025-02-22 09:57:51 +08:00
carm	f5bccdaad5	chore: Upgraded to 4.0.6	2025-02-22 09:57:24 +08:00
carm	f5f70ff69b	chore(source): Add more pre implemented functions	2025-02-22 09:56:59 +08:00
carm	3e221740bc	feat(section): Implement shaded sections	2025-02-22 09:55:28 +08:00
LSeng	96d09be977	feat(section): support ShadedSection	2025-02-21 20:48:37 +08:00
carm	5d7c946db5	feat(section): Implement more sections	2025-02-21 18:45:15 +08:00
carm	9e008ff4cd	feat(section): Add shaded section	2025-02-21 17:31:05 +08:00
carm	df19da170b	feat(section): Add #contains and #containsValue methods	2025-02-21 17:15:16 +08:00
carm	3473ef2247	feat: Implement more sections functions	2025-02-21 16:17:12 +08:00
carm	d543530305	feat: Implement more sections functions	2025-02-21 16:09:58 +08:00
carm	d81855697c	feat: Implement more sections functions	2025-02-21 11:27:03 +08:00
carm	5c16e98f30	feat(section): Implement more sections	2025-02-21 03:20:11 +08:00
carm	3f1ffadeff	feat(section): Implement more sections	2025-02-21 03:07:43 +08:00
carm	d8191b7c6d	feat(section): Add original method	2025-02-21 02:00:36 +08:00
carm	ba66220f92	docs(sponsor): Add sponsors banner	2025-02-21 01:00:27 +08:00
carm	730d6d7e9c	docs(sponsor): Add sponsors banner	2025-02-21 00:58:32 +08:00
carm	4523190cb0	feat: Upgraded to 4.0.5	2025-02-20 16:50:07 +08:00
carm	2a49e2ee6b	docs: Fixed quantity usage	2025-02-20 16:49:36 +08:00
carm	77b223b2cb	feat: Add stream functions	2025-02-20 16:38:49 +08:00