namespace Grpc.Shared { internal static class HttpRequestHelpers { public static bool TryGetOption<[Nullable(2)] T>(this HttpRequestMessage requestMessage, string key, out T value); public static void SetOption<[Nullable(2)] T>(this HttpRequestMessage requestMessage, string key, T value); public static bool HasHttpHandlerType(HttpMessageHandler handler, string handlerTypeName); public static HttpMessageHandler GetHttpHandlerType(HttpMessageHandler handler, string handlerTypeName); public static bool HasHttpHandlerType<[Nullable(0)] T>(HttpMessageHandler handler) where T : HttpMessageHandler; public static T GetHttpHandlerType<[Nullable(0)] T>(HttpMessageHandler handler) where T : HttpMessageHandler; public static string GetHeaderValue(HttpHeaders headers, string name, bool first = false); } }