feat: ValuePool can now reference suppliers in any class

[oetr]

When specifying supplier methods for @ValuePool annotation, it is now possible to use fully qualified names to access methods of any class, not just the fuzz test class. E.g.:

@ValuePool(value = {"mySupplier", "anotherSupplier", 
                    "com.example.MyClass#mySupplierMethod",
                    "com.example.OuterClass$InnerClass#mySupplierMethod"})

[Copilot]

Pull request overview

This pull request enhances the @ValuePool annotation to support supplier methods from any class, not just the fuzz test class. Previously, users could only reference supplier methods by their simple name within the same test class. Now, they can use fully qualified references with the format com.example.ClassName#methodName or com.example.OuterClass$InnerClass#methodName for nested classes.

Changes:

• Added support for fully qualified supplier method references in the format ClassName#methodName
• Refactored ValuePoolRegistry to resolve and load supplier methods from any class with fallback class loader strategy
• Added comprehensive test coverage for external supplier references, nested classes, validation, and edge cases
• Updated documentation in both Javadoc and markdown files with examples and usage guidelines

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
src/main/java/com/code_intelligence/jazzer/mutation/support/ValuePoolRegistry.java	Refactored supplier resolution to support fully qualified method references with dynamic class loading and validation
src/main/java/com/code_intelligence/jazzer/mutation/annotation/ValuePool.java	Updated Javadoc to document the new fully qualified reference syntax
src/test/java/com/code_intelligence/jazzer/mutation/support/ValuePoolRegistry.java	Added new test support class with external supplier methods for testing cross-class references
src/test/java/com/code_intelligence/jazzer/mutation/support/ValuePoolsTest.java	Added 15 new test cases covering external suppliers, nested classes, validation, caching, and error scenarios
src/test/java/com/code_intelligence/jazzer/mutation/support/BUILD.bazel	Added the new test support file to the build configuration
docs/mutation-framework.md	Updated documentation with examples of fully qualified supplier references and improved clarity on type propagation

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