ping reasons alone). This causes telemetry events to fire.
 * @property {string} [telemetrySource="unknown"]
 *   The system, surface, or control the user used to take this action.
 *   @see TabMetrics.METRIC_SOURCE for possible values.
 *   Defaults to "unknown".
 */

/**
 * Creates a `TabMetricsContext` object for a user event originating from
 * the specified source.
 *
 * @param {string} telemetrySource
 *   @see TabMetrics.METRIC_SOURCE
 * @returns {TabMetricsContext}
 */
function userTriggeredContext(telemetrySource) {
  telemetrySource = telemetrySource || METRIC_SOURCE.UNKNOWN;
  return {
    isUserTriggered: true,
    telemetrySource,
  };
}

export const TabMetrics = {
  METRIC_SOURCE,
  METRIC_TABS_LAYOUT,
  METRIC_REOPEN_TYPE,
  METRIC_GROUP_TYPE,
  userTriggeredContext,
};
PK