return RefactoringHistoryNode.PROJECT; else if (element instanceof RefactoringHistoryNode) return ((RefactoringHistoryNode) element).getKind() + 100; return Integer.MAX_VALUE;
return 0; return 1;
	public int category(final Object element) {		if (element instanceof RefactoringHistoryProject)			return RefactoringHistoryNode.PROJECT;		else if (element instanceof RefactoringHistoryNode)			return ((RefactoringHistoryNode) element).getKind() + 100;		return Integer.MAX_VALUE;	}