constructor(string) {
    super();
    /**
     * Array of pending operations on this type
     * @type {Array<function():void>?}
     */

    this._pending = string !== undefined ? [() => this.insert(0, string)] : [];
    /**
     * @type {Array<ArraySearchMarker>}
     */

    this._searchMarker = [];
  }
Array of pending operations on this type
@type {Array<function():void>?}