return nil, nil
}

func (fk *fakeKubelet) ListPodSandboxMetrics(ctx context.Context) ([]*runtimeapi.PodSandboxMetrics, error) {
	return nil, nil
}

type fakeRuntime struct {
	execFunc        func(string, []string, io.Reader, io.WriteCloser, io.WriteCloser, bool, <-chan remotecommand.TerminalSize) error
	attachFunc      func(string, io.Reader, io.WriteCloser, io.WriteCloser, bool, <-chan remotecommand.TerminalSize) error