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

System.ServiceModel.Security.SessionKeyExpiredException

namespace System.ServiceModel.Security { internal class SessionKeyExpiredException : MessageSecurityException { public SessionKeyExpiredException(); public SessionKeyExpiredException(string message); public SessionKeyExpiredException(string message, Exception innerException); protected SessionKeyExpiredException(SerializationInfo info, StreamingContext context); } }