code: def get_file_metadata(self, secure_data_path, version=None):
          
          if not version:
              version = "CURRENT"
  
          payload = {'versionId': str(version)}
          secret_resp = head_with_retry(str.join('', [self.cerberus_url, '/v1/secure-file/', secure_data_path]),
                                      params=payload, headers=self.HEADERS)
  
          throw_if_bad_response(secret_resp)
  
          return secret_resp.headers
docs: Get just the metadata for a file, not the content