chromium/src/third_party/blink/renderer/core/streams/underlying_sink_base.idl

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// This is not a spec interface. Instead, it is used to generate bindings
// so that Blink code which wishes to create a stream can derive from
// UnderlyingSinkBase, and a JavaScript object can then be generated
// automatically for use in initializing a WritableStream.
[
    LegacyNoInterfaceObject
]
interface UnderlyingSinkBase {
    [CallWith=ScriptState, RaisesException] Promise<void> start(any controller);
    [CallWith=ScriptState, RaisesException] Promise<void> write(any chunk, any controller);
    [CallWith=ScriptState, RaisesException] Promise<void> close();
    [CallWith=ScriptState, RaisesException] Promise<void> abort(any reason);
};