Method invoke

generics/DynamicProxyMixin.java:25–31

(Object proxy, Method method,
    Object[] args)

    }
  }
  @Override
  public Object invoke(Object proxy, Method method,
    Object[] args) throws Throwable {
    String methodName = method.getName();
    Object delegate = delegatesByMethod.get(methodName);
    return method.invoke(delegate, args);
  }
  @SuppressWarnings("unchecked")
  public static Object newInstance(Tuple2... pairs) {
    Class[] interfaces = new Class[pairs.length];