CombineLatest<T1, T2, T3, T4, T5, T6, T7, T8, TResult>
sealed class CombineLatest<T1, T2, T3, T4, T5, T6, T7, T8, TResult> : Producer<TResult, _<T1, T2, T3, T4, T5, T6, T7, T8, TResult>>
namespace System.Reactive.Linq.ObservableImpl
{
}