import { Metric } from "../../Metrics/Metric.mjs";
import { Plugin } from "../../Plugin/Plugin.mjs";
import { PageLoadJSON } from "./types.mjs";

//#region src/Plugins/PageLoad/PageLoadPlugin.d.ts
/**
 * Page Load Plugin
 *
 * This plugin allows metrics to reference the browser's most
 * recent navigation when recording start times. Because the
 * browser's navigation takes place before an application
 * can completely bootstrap, Metrics on their own, cannot produce
 * the durations relative to the applications initial load. By
 * adding this plugin to a metric, its `startTime` is set equal
 * to the browser's most recent navigation
 *
 * ```typescript
 * const metric = new Metric("My Metric", {
 *   pageLoad: new PageLoadPlugin()
 * });
 * ```
 */
declare class PageLoadPlugin<T extends Metric<any, any> = Metric<any, any>> extends Plugin<T> {
  private static timing;
  private static enabled;
  transition: boolean;
  initialLoad: boolean;
  constructor();
  /**
   * Start
   *
   * Sets the target Metric's `startTime` equal to the browser's
   * most recent navigation.
   */
  protected start(metric: T): void;
  /**
   * Reset
   *
   * Resets the `transition` and `initialLoad` properties of the
   * instance
   */
  protected reset(): void;
  /**
   * Enable
   *
   * Records a high-resolution timestamp each time `History.pushState()`
   * is called and caches it. These high-resolution timestamps are then
   * used by Metrics looking to record durations beginning with the
   * browser's most recent navigation
   */
  static enable(): void;
  /**
   * Set Timing
   *
   * Sets the plugin's `timing` property to a high-resolution timestamp
   */
  static setTiming(): void;
  /**
   * To JSON
   *
   * Modifies the return value of the `PageLoadPlugin` interface when passed
   * to `JSON.stringify`
   */
  toJSON(): PageLoadJSON;
}
//#endregion
export { PageLoadPlugin };