code: func (m *MockEngine) GetInstanceMetrics() (*ecstcs.MetricsMetadata, []*ecstcs.TaskMetric, error) {
  	ret := m.ctrl.Call(m, "GetInstanceMetrics")
  	ret0, _ := ret[0].(*ecstcs.MetricsMetadata)
  	ret1, _ := ret[1].([]*ecstcs.TaskMetric)
  	ret2, _ := ret[2].(error)
  	return ret0, ret1, ret2
  }
docs: // GetInstanceMetrics mocks base method