<PackageReference Include="System.ServiceModel.Primitives" Version="6.1.0" />

System.ServiceModel.Channels.MessageBuffer

public abstract class MessageBuffer : IDisposable
namespace System.ServiceModel.Channels { public abstract class MessageBuffer : IDisposable { public abstract int BufferSize { get; } public virtual string MessageContentType { get; } public abstract void Close(); public virtual void WriteMessage(Stream stream); public abstract Message CreateMessage(); protected MessageBuffer(); } }