if (node.getParent() instanceof ExpressionStatement) return false;
    private static boolean canReplace(ASTNode node) {    	if (node.getParent() instanceof VariableDeclarationFragment){    		VariableDeclarationFragment vdf= (VariableDeclarationFragment)node.getParent();    		if (node.equals(vdf.getName()))    			return false;    	}        return true;    }