function _handleEnterBefore(oEvent) {

		// if input comes from navigation ENTER must just confirm it but not fire a submit event (like if entry would be choosen via click in suggestion)
		if (this._oNavigateCondition) {
			oEvent.setMarked("MDCNavigated");
		}

	}
Here inheriting controls need to fire the control-specific change event.
@param {sap.ui.mdc.condition.ConditionObject[]} aConditions Current conditions after change
@param {boolean} bValid If <code>false</code>, the user input is not valid and leads to an error
@param {any} vWrongValue wrong user input (only set if known)
@param {Promise} oPromise <code>Promise</code> that is resolved if the changed value is determined, as user might enter some description, and the key neeeds to be determined via back-end request.
@protected