Worked on a focused API refactor in the open-telemetry/opentelemetry-collector repository, replacing the internal otlpcommon.AnyValue with the public pcommon.Value in the pdata/xpdata package. This involved updating function signatures, internal type conversions, and expanding unit tests to ensure the new API surface was robust and regression-free. Addressed previous edge-case failures by correcting helpers for marshaling and unmarshaling pcommon.Value, improving JSON consistency and external usability. The work leveraged Go for implementation, with a strong emphasis on API refactoring, data marshaling and unmarshaling, and comprehensive unit testing to enhance stability and maintainability across value representations in the codebase.