<PackageReference Include="System.ServiceModel.Primitives" Version="6.0.0" />

System.ServiceModel.Security.Tokens.SecurityContextTokenValidationException

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