function isDescriptorChange(oChange) {
		return (oChange._getMap
			&& DescriptorChangeTypes.getChangeTypes().includes(oChange._getMap().changeType))
			|| (oChange.getChangeType && DescriptorChangeTypes.getChangeTypes().includes(oChange.getChangeType()));
	}
Retrieves the changes from the flex persistence for the selector.

@param {sap.ui.fl.apply._internal.flexObjects.FlexObject} oChange - Change instance

@returns {boolean} Returns a boolean value if it is a descriptor change