private void makeTargetClassAbstract(OldASTRewrite rewrite, CompilationUnit cuNode) throws JavaModelException {
private void makeTargetClassAbstract(ASTRewrite rewrite, CompilationUnit cuNode) throws JavaModelException {
	private void makeTargetClassAbstract(OldASTRewrite rewrite, CompilationUnit cuNode) throws JavaModelException {		TypeDeclaration targetClass= ASTNodeSearchUtil.getTypeDeclarationNode(getTargetClass(), cuNode);			int newModifiers= targetClass.getModifiers() | Modifier.ABSTRACT;		ModifierRewrite.create(rewrite, targetClass).setModifiers(newModifiers, null);	}