PushMessengerTMessenger Class

public class PushMessenger<TMessenger> : IPushMessenger
where TMessenger : MessengerBase

Public Class PushMessenger(Of TMessenger As MessengerBase)
	Implements IPushMessenger

generic<typename TMessenger>
where TMessenger : MessengerBase
public ref class PushMessenger : IPushMessenger

type PushMessenger<'TMessenger when 'TMessenger : MessengerBase> = 
    class
        interface IPushMessenger
    end

public class PublishingMessenger : MessengerBase
{
}

public class PublishingPushMessenger : PushMessenger<PublishingMessenger>
{
    public PublishingPushMessenger(IContentStore store, IReadonlyUser user)
        : base(store, user)
    {
    }
    public PublishingPushMessenger(IUserSession session)
        : base(session)
    {
    }

    public void SignlarPublishing(PublishStatusMessage status)
    {
        GetHubContext().Clients.All.PubStatus(status);
    }
}