function isInclusiveDescendantOf(a, b) {
		while ( a && a !== b ) {
			a = a.oParent;
		}
		return !!a;
	}
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