namespace System.ServiceModel.Channels { public abstract class BodyWriter { public bool IsBuffered { get; } protected BodyWriter(bool isBuffered); public BodyWriter CreateBufferedCopy(int maxBufferSize); protected virtual BodyWriter OnCreateBufferedCopy(int maxBufferSize); protected abstract void OnWriteBodyContents(XmlDictionaryWriter writer); protected virtual Task OnWriteBodyContentsAsync(XmlDictionaryWriter writer); protected virtual IAsyncResult OnBeginWriteBodyContents(XmlDictionaryWriter writer, AsyncCallback callback, object state); protected virtual void OnEndWriteBodyContents(IAsyncResult result); public void WriteBodyContents(XmlDictionaryWriter writer); public IAsyncResult BeginWriteBodyContents(XmlDictionaryWriter writer, AsyncCallback callback, object state); public void EndWriteBodyContents(IAsyncResult result); } }