resolveMetaModel = function () {
				var sModelName = sPassedModelName === null ? undefined : sPassedModelName;
				var oModel = oFilterBar.getModel(sModelName);
				if (oModel) {
					resolve(oModel);
				}
				return oModel;
			}
Can be used to trigger any necessary follow-up steps on removal of filter items. The returned boolean value inside the Promise can be used to
prevent default follow-up behaviour of Flex.

@param {sap.ui.mdc.FilterBar} oFilterBar - the instance of filter bar
@param {sap.ui.mdc.FilterField} oFilterField The mdc.FilterField that was removed
@param {Object} mPropertyBag Instance of property bag from Flex change API
@returns {Promise} Promise that resolves with true/false to allow/prevent default behavour of the change