https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/finally#return_value https://typescripttolua.github.io/play/#code/5.4/MYewdgzgLgBADgRhgXhmApgdxgBQE4gC2AlhOgBTkCUKAfDAN4C+VA3AFCiSxwBMK8BADoAZsTABDADZSAntQ5w84qOUQpkqPm3ZA