Method ngOnDestroy

src/material/select/select.ts:709–715

()

  }

  ngOnDestroy() {
    this._cleanupDetach?.();
    this._keyManager?.destroy();
    this._destroy.next();
    this._destroy.complete();
    this.stateChanges.complete();
  }

  /** Toggles the overlay panel open or closed. */
  toggle(): void {