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

System.ServiceModel.Channels.BufferedMessage

namespace System.ServiceModel.Channels { internal sealed class BufferedMessage : ReceivedMessage { public BufferedMessage(IBufferedMessageData messageData, RecycledMessageState recycledMessageState); public BufferedMessage(IBufferedMessageData messageData, RecycledMessageState recycledMessageState, bool[] understoodHeaders, bool understoodHeadersModified); public XmlDictionaryReader GetBufferedReaderAtBody(); public XmlDictionaryReader GetMessageReader(); } }