https://medium.com/nuances-of-programming/%D0%BA%D0%BE%D0%BC%D0%BF%D0%B8%D0%BB%D1%8F%D1%86%D0%B8%D1%8F-typescript-%D0%B2-%D0%BD%D0%B0%D1%82%D0%B8%D0%B2%D0%BD%D1%8B%D0%B9-%D0%BA%D0%BE%D0%B4-8033c6beff54
