getMaxLayer(oURLParsingService) {
			var sParseMaxLayer = LayerUtils.getMaxLayerTechnicalParameter(hasher.getHash(), oURLParsingService);
			return sParseMaxLayer || getUrlParameter(this.FL_MAX_LAYER_PARAM) || LayerUtils._sTopLayer;
		}
Determine the <code>maxLayer</code> based on the url parameter <code>sap-ui-fl-max-layer</code> or if is not set by <code>topLayer</code>.

@private
@ui5-restricted sap.ui.fl.apply._internal.Connector
@param {sap.ui.core.service.Service} oURLParsingService Unified Shell URL Parsing Service
@return {string} maxLayer
@deprecated Since version 1.118