docs: def _set_extensions(self, params):
          """
          Sets what extensions are supported by the local party.
          """
          extensions = []
          if self._local_partial_reliability:
              params.append((SCTP_PRSCTP_SUPPORTED, b''))
              extensions.append(ForwardTsnChunk.type)
  
          extensions.append(ReconfigChunk.type)
          params.append((SCTP_SUPPORTED_CHUNK_EXT, bytes(extensions)))