this.For<ISomeClass>()
    .Use<SomeClass>()
    .Singleton();

this.For<ISomeClass>()
    .Use(c=>c.GetInstance<SomeClass>())
    .Singleton();
this.ForConcreteType<SomeClass>()
    .Configure
    .Singleton();

this.For<ISomeClass>()
    .Use(c=> new SomeClass(
        c.GetInstance<ISomethingElse>(),
        c.GetInstance<ISomeOtherThing>(),
        c.GetInstance<ITenMoreOfThese>()
));