<PackageReference Include="System.ServiceModel.Primitives" Version="8.0.0" />

System.ServiceModel.ServiceChannelManager

namespace System.ServiceModel { internal class ServiceChannelManager : LifetimeManager { public int ActivityCount { get; } public ICollection<IChannel> IncomingChannels { get; } public ICollection<IChannel> OutgoingChannels { get; } public ServiceChannelManager(InstanceContext instanceContext); public void CloseInput(TimeSpan timeout); public Task CloseInputAsync(TimeSpan timeout); public void DecrementActivityCount(); public void IncrementActivityCount(); public bool RemoveChannel(IChannel channel); public IChannel[] SnapshotChannels(); } }