if(fMapToCompoundElement == null)
if (isInCompoundState()) return (LogicalPackage)fMapToLogicalPackage.get(getKey(fragment)); else
	public LogicalPackage findLogicalPackage(IPackageFragment fragment) {		Assert.isNotNull(fragment);				if(fMapToCompoundElement == null)				return null;				return (LogicalPackage)fMapToCompoundElement.get(getKey(fragment));	}