code: public static SmartBinder from(Class<?> retType, String name, Class<?> type) {
          return from(Signature.returning(retType).appendArg(name, type));
      }
docs: Create a new SmartBinder with from the given types and argument name.
  
  @param retType the type of the return value to start with
  @param name    the name of the sole argument
  @param type    the sole argument's type
  @return a new SmartBinder