function _removeControls(oControl) {

		const sKey = this.getKey();

		if (oControl && oControl.aControlsByParameters && oControl.aControlsByParameters[sKey]) {
			for (const oUIControl of oControl.aControlsByParameters[sKey]) {
				if (!oUIControl.bIsDestroyed) {
					oUIControl.destroy();
				}
			}

			delete oControl.aControlsByParameters[sKey];
		}

	}
Basic type of the corresponding filter field.