kibana/packages/presentation/presentation_containers/interfaces/performance_trackers.ts

/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

export interface TrackContentfulRender {
  /**
   * A way to report that the contentful render has been completed
   */
  trackContentfulRender: () => void;
}

export const canTrackContentfulRender = (root: unknown): root is TrackContentfulRender => {
  return root !== null && typeof root === 'object' && 'trackContentfulRender' in root;
};

export interface TracksQueryPerformance {
  firstLoad: boolean;
  creationStartTime?: number;
  creationEndTime?: number;
  lastLoadStartTime?: number;
}