def _prepare_for_method_change(self) -> Self:
        """
        Remove content-specific header fields before changing the request
        method to GET or HEAD according to RFC 9110, Section 15.4.
        """
        content_specific_headers = [
            "Content-Encoding",
            "Content-Language",
            "Content-Location",
            "Content-Type",
            "Content-Length",
            "Digest",
            "Last-Modified",
        ]
        for header in content_specific_headers:
            self.discard(header)
        return self

        Remove content-specific header fields before changing the request
        method to GET or HEAD according to RFC 9110, Section 15.4.
        
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/urllib3/_collections.py