I need you to add documentation to the following Java code to make it accessible for a new developer, while keeping the code itself clean and uncluttered. **Your constraints are:** 1. **Main Documentation:** Add a single, comprehensive Javadoc/multi-line comment block located **after the imports but before the class definition**. This block must explain the overall purpose, context, and logic of the entire file. 2. **Minimal Inline Comments:** Do **not** add standard inline comments between lines of code. 3. **Exceptions:** You may use brief **end-of-line** comments only if a specific line contains complex or non-obvious logic that requires immediate clarification. **Here is the code:** ```java [Insert] ```