Blob.Impl
T: { ... }
let arrayBuffer: T.t => Js.Promise.t(Js.Typed_array.ArrayBuffer.t);
let size: T.t => float;
let slice: ?start:int => ?end_:int => ?contentType:string => T.t => T.t;
let stream: T.t => Webapi__ReadableStream.t;
let text: T.t => Js.Promise.t(string);
let type_: T.t => string;
let _type: T.t => string;
Deprecated, use type_ instead.
type_