public Task InitializeAsync(IJSRuntime jSRuntime)
 {
     Data = new LiffData
     {
         Context = new LiffContext()
         {
             Type     = ContextType.Utou,
             UserId   = "U28aa279ed62b3e495b0f9d88f5a4afc2",
             UtouId   = "U28aa279ed62b3e495b0f9d88f5a4afc2",
             ViewType = ViewType.Tall
         },
         Language = "ja"
     };
     Initialized = true;
     return(Task.CompletedTask);
 }
 public InitSuccessEventArgs(LiffData data)
 {
     Data = data;
 }