static bool PlatformRemoveTags(string[] tags) => AndroidNotificationHub.RemoveTags(tags);
 static bool PlatformRemoveTag(string tag) => AndroidNotificationHub.RemoveTag(tag);
 static void PlatformClearTags() => AndroidNotificationHub.ClearTags();
 static bool PlatformAddTags(string[] tags) => AndroidNotificationHub.AddTags(tags);
 static bool PlatformAddTag(string tag) => AndroidNotificationHub.AddTag(tag);
 static void PlatformInitialize(string connectionString, string hubName)
 {
     AndroidNotificationHub.Initialize((Application)Application.Context, hubName, connectionString);
 }