code: public static Object[] findMethodWithExactParameters(Object service, String methodName, List<?> args) {
          Object[] arguments = new Object[args.size()];
          for (int i = 0; i < args.size(); i++) {
              arguments[i] = args.get(i);
          }
          return findMethodWithExactParameters(service, methodName, arguments);
      }
docs: Returns (method, params) for the given service or (null, null) if no method was found.
  
  @param service
  Service
  @param methodName
  Method name
  @param args
  Arguments
  @return Method/params pairs