src/sap.ui.core/src/sap/ui/model/analytics/odata4analytics.js
function getOrCreateHierarchy(sKey) {
				var oResult = oRecursiveHierarchies[sKey];

				if (!oResult) {
					oResult = oRecursiveHierarchies[sKey] = {};
				}
				return oResult;
			}
function getOrCreateHierarchy(sKey) {
				var oResult = oRecursiveHierarchies[sKey];

				if (!oResult) {
					oResult = oRecursiveHierarchies[sKey] = {};
				}
				return oResult;
			}
function getOrCreateHierarchy ( sKey ) { var oResult = oRecursiveHierarchies [ sKey ] ; if ( ! oResult ) { oResult = oRecursiveHierarchies [ sKey ] = { } ; } return oResult ; }
temp for collecting all properties participating in hierarchies
temp for collecting all properties participating in hierarchies