<PackageReference Include="System.Reactive" Version="6.0.1" />

ActivePlan<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>

sealed class ActivePlan<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> : ActivePlan