https://learn.microsoft.com/en-us/dotnet/api/system.servicemodel.discovery.versioncd1.endpointdiscoverymetadatacd1?view=netframework-4.8.1&viewFallbackFrom=netframework-3.5
EndpointDiscoveryMetadataCD1 Class (System.ServiceModel.Discovery.VersionCD1) | Microsoft Learn
Contains the metadata for a discoverable service based on the Committee Draft 1 version of the WS-Discovery protocol.
class systemdiscoverymicrosoftlearn