docs: function (event) {
              if (this._cfg.validationDelay) {
                  if (this._valTimer) {
                      ariaCoreTimer.cancelCallback(this._valTimer);
                  }
  
                  this._valTimer = ariaCoreTimer.addCallback({
                      fn : this.checkValue,
                      scope : this,
                      args : {
                          delayedValidation : true
                      },
                      delay : this._cfg.validationDelay
                  });
              }
          }