public interface ICommand

public interface ICreateCommand<TDto> : where TDto is IDto

public CreateUserCommand : ICreateCommand<UserDto>

public CreateCommandValidator<TDto> : AbstractValidator<ICreateCommand<TDto>>

var assembly = typeof(CommandModule)
            .GetTypeInfo()
            .Assembly;

        builder.RegisterAssemblyTypes(assembly)
            .AsClosedTypesOf(typeof(ICommandHandler<>))
            .InstancePerLifetimeScope();

        builder.RegisterType<CommandDispatcher>()
            .As<ICommandDispatcher>()
            .InstancePerLifetimeScope();

        libraryAssembly = typeof(ICommand)
            .GetTypeInfo()
            .Assembly;

        builder.RegisterAssemblyTypes(libraryAssembly)
            .Where(x => x.IsAssignableTo<ICommand>())
            .AsImplementedInterfaces();

    builder.RegisterAssemblyTypes(libraryAssembly )
        .AsClosedTypesOf(typeof(IValidator<>))
        .InstancePerLifetimeScope();