code: func (m *MockSentPacketHandler) ReceivedAck(arg0 *wire.AckFrame, arg1 protocol.PacketNumber, arg2 protocol.EncryptionLevel, arg3 time.Time) error {
  	m.ctrl.T.Helper()
  	ret := m.ctrl.Call(m, "ReceivedAck", arg0, arg1, arg2, arg3)
  	ret0, _ := ret[0].(error)
  	return ret0
  }
docs: // ReceivedAck mocks base method