function getExternallyFilteredProperties(oTable) {
		const oFilter = Element.getElementById(oTable.getFilter());
		return oFilter ? getFilteredProperties(oFilter.getConditions()) : [];
	}
Gets the keys of properties that are filtered externally via the associated filter ({@link sap.ui.mdc.IFilter}).

@param {sap.ui.mdc.Table} oTable Instance of the table.
@returns {string[]} The keys of the filtered properties.