Kind code is when you'd want to have your own personal constrained type for a few intent, and as a work all around, generate lots of numeric or string constants, which symbolize all possible values of your "type". Silakan coba langkah-langkah pemecahan masalah umum berikut ini untuk membantu mengatasi masalah https://share.evernote.com/note/74e6f5bf-4e0f-8a5f-1a27-70e011ebb01c