def _validate_headers(
        self,
        headers: Headers,  # noqa: ARG002
        custom_headers: Headers,  # noqa: ARG002
    ) -> None:
        """Validate the given default headers and custom headers.

        Does nothing by default.
        """
        return
Validate the given default headers and custom headers.

        Does nothing by default.
        
src/anthropic/_base_client.py