code: function reportTime(params, callback) {
    var validated_params,
        req_params;
  
    try {
      validated_params = internals.validateReportTimeParams(params);
    }
    catch (e) {
      setImmediate(callback, e);
      return;
    }
  
    req_params = internals.createReportTimeRequestParams(validated_params);
    api_service.makeRequest(req_params, callback);
  }
docs: Private implementation