function _filterValidLayers(aLayers, aConnectorLayers) {
		var aValidLayers = [];
		if (!aLayers) {
			aValidLayers = aConnectorLayers;
		} else {
			aValidLayers = aLayers.filter(function(sLayer) {
				return aConnectorLayers.indexOf(sLayer) !== -1 || aConnectorLayers[0] === "ALL";
			});
		}
		return aValidLayers;
	}
Util class for Storage implementations (apply); In addition the ObjectPathConnector and ObjectStorageConnector makes
use of this class since they are very low level connector implementations without preparing structures of responses.

@namespace sap.ui.fl.initial._internal.StorageUtils
@since 1.74
@version ${version}
@private
@ui5-restricted sap.ui.fl.initial._internal.Storage, sap.ui.fl.write._internal.Storage,
	sap.ui.fl.initial._internal.connectors.ObjectStorageConnector, sap.ui.fl.initial._internal.connectors.ObjectPathConnector