<PackageReference Include="System.Reactive" Version="4.2.0-preview.102" />
Join<TLeft, TRight, TLeftDuration, TRightDuration, TResult>
sealed class Join<
TLeft,
TRight,
TLeftDuration,
TRightDuration,
TResult> :
Producer<
TResult,
_<
TLeft,
TRight,
TLeftDuration,
TRightDuration,
TResult>>