namespace Grpc.Net.Client.Internal { internal static class GrpcDiagnostics { public static readonly DiagnosticListener DiagnosticListener; public static readonly ActivitySource ActivitySource; public const string ActivityName = "Grpc.Net.Client.GrpcOut"; public const string ActivityStartKey = "Grpc.Net.Client.GrpcOut.Start"; public const string ActivityStopKey = "Grpc.Net.Client.GrpcOut.Stop"; public const string GrpcMethodTagName = "grpc.method"; public const string GrpcStatusCodeTagName = "grpc.status_code"; } }