code: func (_m *MockRPC) RPC(method string, args interface{}, reply interface{}) error {
  	ret := _m.Called(method, args, reply)
  
  	var r0 error
  	if rf, ok := ret.Get(0).(func(string, interface{}, interface{}) error); ok {
  		r0 = rf(method, args, reply)
  	} else {
  		r0 = ret.Error(0)
  	}
  
  	return r0
  }
docs: // RPC provides a mock function with given fields: method, args, reply