type t = FileTypes.file = private {...FileTypes.file} include Blob.Impl({type t = t}) /** [Read more on MDN](https://developer.mozilla.org/docs/Web/API/File) */ @new external make: ( ~fileBits: array, ~fileName: string, ~options: FileTypes.filePropertyBag=?, ) => t = "File" let isInstanceOf = (_: 't): bool => %raw(`param instanceof File`)