Common messages core.Localitycore.Metadatacore.HeaderValuecore.DataSourceEnum core.RoutingPriority Network addresses core.SocketAddresscore.TcpKeepalivecore.CidrRange core.HttpProtocolOptionscore.Http2ProtocolOptions DiscoveryRequest Configuration sources Enum core.ApiConfigSource.ApiTypecore.ConfigSource core.GrpcServicecore.GrpcService.GoogleGrpccore.GrpcService.GoogleGrpc.CallCredentialscore.GrpcService.GoogleGrpc.CallCredentials.GoogleIAMCredentials HTTP Service URI Common TLS configuration Enum auth.TlsParameters.TlsProtocolauth.TlsSessionTicketKeysauth.CommonTlsContextauth.DownstreamTlsContext ratelimit.RateLimitDescriptor.Entry