public String visitValidatedCall(final ValidatedCall call) {
final Callable callee = call.getCallee();
final StringBuilder sb = new StringBuilder();
callee.acceptCallableVisitor(new CallableVisitor<Void>() {
public Void visitCallable(Callable callable) {
sb.append(callee.getName().toString());
sb.append(".getGxpClosure(");
COMMA_JOINER.appendTo(sb, getCallArguments(callee, call.getAttributes()));
sb.append(")");