private static ReturnStatement createReturnExpression(AST ast, ASTRewrite rewrite, Expression expression) {
private static ReturnStatement createReturnExpression(ASTRewrite rewrite, Expression expression) { AST ast= rewrite.getAST();
	private static ReturnStatement createReturnExpression(AST ast, ASTRewrite rewrite, Expression expression) {		ReturnStatement thenReturn = ast.newReturnStatement();		thenReturn.setExpression((Expression) rewrite.createCopyTarget(expression));		return thenReturn;	}