<PackageReference Include="System.ServiceModel.Primitives" Version="6.0.0" />

System.ServiceModel.Channels.TransportOutputChannel

namespace System.ServiceModel.Channels { internal abstract class TransportOutputChannel : OutputChannel { protected bool ManualAddressing { get; } public MessageVersion MessageVersion { get; } public EventTraceActivity EventTraceActivity { get; } protected TransportOutputChannel(ChannelManagerBase channelManager, EndpointAddress to, Uri via, bool manualAddressing, MessageVersion messageVersion); } }