<PackageReference Include="System.Reactive" Version="7.0.0-preview.1" />

System.Reactive.Concurrency.ThreadPoolScheduler

namespace System.Reactive.Concurrency { public sealed class ThreadPoolScheduler : LocalScheduler, ISchedulerPeriodic, ISchedulerPeriodNoSubMs { public static ThreadPoolScheduler Default { get; } public static ThreadPoolScheduler Instance { get; } public WorkItemPriority Priority { get; } public WorkItemOptions Options { get; } public ThreadPoolScheduler(); public ThreadPoolScheduler(WorkItemPriority priority); public ThreadPoolScheduler(WorkItemPriority priority, WorkItemOptions options); public IDisposable SchedulePeriodic<[System.Runtime.CompilerServices.Nullable(2)] TState>(TState state, TimeSpan period, Func<TState, TState> action); } }