code: public void generateProxy(Element element) {
          try {
              getClassBuilder(element)
                      .buildProxyClass()
                      .build()
                      .writeTo(filer);
          } catch (Exception ex) {
              messager.printMessage(Diagnostic.Kind.WARNING, "Error while generating Proxy " + ex.getMessage());
          }
      }
docs: Generates the Proxy for the given @{@link Remoter} interface element