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commands/map-class-usage.md

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+---
+name: map-class-usage
+description: Build comprehensive usage map for a class showing all methods and fields with their usages
+---
+
+Invoke the @usage-finder sub-agent to build a comprehensive usage map for the specified class.
+
+The usage map should include:
+
+1. **Class Analysis**:
+   - Extract all public methods with their signatures
+   - Extract all public fields/properties with their types
+   - Identify constructors and static members
+   - Note any inherited classes or interfaces
+
+2. **Usage Search**:
+   - Find all usages of each method across the codebase
+   - Find all usages of each field/property
+   - Categorize usages by type (method calls, field access, inheritance, etc.)
+   - Include file paths and line numbers for each usage
+
+3. **Structured Output**:
+   - Generate JSON format for programmatic consumption
+   - Include usage counts and location summaries
+   - Provide actionable insights (dead code, high coupling, refactoring opportunities)
+
+4. **Analysis Summary**:
+   - Most used methods/fields
+   - Unused members (dead code candidates)
+   - Breaking change impact assessment
+   - Refactoring recommendations
+
+**Usage**: `/map-class-usage <ClassName>` or `/map-class-usage <path/to/ClassFile>`
+
+**Examples**:
+- `/map-class-usage UserService`
+- `/map-class-usage src/services/PaymentProcessor.java`
+- `/map-class-usage DatabaseManager --exclude-tests`
+
+The agent will search for the class, analyze its structure, find all usages, and present results in both JSON (for machines) and Markdown table (for humans) formats.