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

System.ServiceModel.Dispatcher.FaultFormatter

public class FaultFormatter : IClientFaultFormatter, IDispatchFaultFormatter
public class OperationFault<T> : XmlObjectSerializerFault

protected virtual FaultException CreateFaultException(MessageFault messageFault, string action)

protected FaultException CreateFaultException(MessageFault messageFault, string action, object detailObj, Type detailType, XmlDictionaryReader detailReader)

public FaultException Deserialize(MessageFault messageFault, string action)

protected virtual XmlObjectSerializer GetSerializer(Type detailType, string faultExceptionAction, out string action)

public MessageFault Serialize(FaultException faultException, out string action)