code: function isInclusiveDescendantOf(a, b) {
  		while ( a && a !== b ) {
  			a = a.oParent;
  		}
  		return !!a;
  	}
docs: Checks whether object <code>a</code> is an inclusive descendant of object <code>b</code>.
  
  @param {sap.ui.base.ManagedObject} a Object that should be checked for being a descendant
  @param {sap.ui.base.ManagedObject} b Object that should be checked for having a descendant
  @returns {boolean} Whether <code>a</code> is a descendant of (or the same as) <code>b</code>
  @private