code: def get_trace(self, project_id, trace_id):
          
          trace_pb = self._gapic_api.get_trace(project_id, trace_id)
          trace_mapping = _parse_trace_pb(trace_pb)
          return trace_mapping
docs: Gets a single trace by its ID.
  
          Args:
              trace_id (str): ID of the trace to return.
              project_id (str): Required. ID of the Cloud project where the trace
                  data is stored.
  
          Returns:
              A Trace dict.