Sends new traces to Stackdriver Trace or updates existing traces.

        Args:
            project_id (Optional[str]): ID of the Cloud project where the trace
                data is stored.
            traces (dict): Required. The traces to be patched in the API call.

def patch_traces(self, project_id, traces):
        """
        Sends new traces to Stackdriver Trace or updates existing traces.

        Args:
            project_id (Optional[str]): ID of the Cloud project where the trace
                data is stored.
            traces (dict): Required. The traces to be patched in the API call.
        """
        traces_pb = _traces_mapping_to_pb(traces)
        self._gapic_api.patch_traces(project_id, traces_pb)