ReadonlyauthenticationReadonlyclientReadonlycrsOptional ReadonlydescriptionReadonlyendpointReadonlyformatsReadonlykindOptional ReadonlylayerReadonlylimitsReadonlyprotocolReadonlyserviceReadonlyserviceReadonlysourceTrue only when the current SDK can construct an honest Source descriptor.
Optional ReadonlytaskOptional Readonlytitle
Common identity and metadata projection shared by facade and native endpoints.