third_party/blink/renderer/core/fetch/response.idl

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://fetch.spec.whatwg.org/#response-class

enum ResponseType { "basic", "cors", "default", "error", "opaque", "opaqueredirect" };

[
    Exposed=(Window,Worker)
] interface Response {
    // TODO(yhirano): We use "any" for body because the IDL processor doesn't
    // recognize ReadableStream implemented with V8 extras. Fix it.
    [CallWith=ScriptState, RaisesException] constructor(optional any body, optional ResponseInit init = {});
    [CallWith=ScriptState, NewObject] static Response error();
    [CallWith=ScriptState, NewObject, RaisesException] static Response redirect(USVString url, optional unsigned short status = 302);
    [CallWith=ScriptState, NewObject, RaisesException, ImplementedAs=staticJson] static Response json(any data, optional ResponseInit init = {});
    readonly attribute ResponseType type;
    readonly attribute USVString url;
    readonly attribute boolean redirected;
    readonly attribute unsigned short status;
    readonly attribute boolean ok;
    readonly attribute ByteString statusText;
    [SameObject] readonly attribute Headers headers;

    [RaisesException, CallWith=ScriptState, NewObject] Response clone();

    [Affects=Everything, MeasureAs=FetchBodyStream] readonly attribute ReadableStream? body;
};

Response includes Body;