Method run

packages/zone.js/lib/zone-impl.ts:890–902

(
      callback: (...args: any[]) => T,
      applyThis?: any,
      applyArgs?: any[],
      source?: string,
    )

    public run(callback: Function, applyThis?: any, applyArgs?: any[], source?: string): any;
    public run<T>(
      callback: (...args: any[]) => T,
      applyThis?: any,
      applyArgs?: any[],
      source?: string,
    ): T {
      _currentZoneFrame = {parent: _currentZoneFrame, zone: this};
      try {
        return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);
      } finally {
        _currentZoneFrame = _currentZoneFrame.parent!;
      }
    }

    public runGuarded(callback: Function, applyThis?: any, applyArgs?: any[], source?: string): any;
    public runGuarded<T>(