Nancy register dependency with type argument

public class GenericDecorator<TCommand> : ICommandHandler<TCommand> {
    public GenericDecorator(
        ICommandHandler<TCommand> decoratee,
        ICommandHandler<LoggingCommand> dependency)
    {
    }
}

new DeadlockRetryCommandHandlerDecorator<MessageCommand>(
    new TransactionCommandHandlerDecorator<MessageCommand>(
        new MessageSender()))

new DeadlockRetryCommandHandlerDecorator<MessageCommand>(
    new TransactionCommandHandlerDecorator<MessageCommand>(
        new MessageLogger(
            new MessageSender(),
            new DeadlockRetryCommandHandlerDecorator<MessageLogger>(
                new TransactionCommandHandlerDecorator<MessageLogger>(
                    new Logger())))))

public class MessageLogger : ICommandHandler<MessageCommand> {
    private ICommandHandler<MessageCommand> innerHandler;
    private ILogger logger;

    public MessageLogger(
        ICommandHandler<MessageCommand> innerHandler, ILogger logger) {
        this.innerHandler = innerHandler;
        this.logger = logger;
    }

    public void Execute(MessageCommand command) {
        innerHandler.Execute(command);

        logger.Log(command.Message);
    }
}

public class LogCommandHandler : ICommandHandler<LogCommand> {
    private ILogger logger;

    public LogCommandHandler(ILogger logger) {
        this.logger = logger;
    }

    public void Execute(LogCommand command) {
        logger(string.Format("Message \"{0}\" sent at {1}",
            command.LogMessage, DateTime.Now));
    }
}