chromium/src/third_party/blink/renderer/modules/quota/storage_estimate.idl

// Copyright 2016 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.

// https://storage.spec.whatwg.org/#api

dictionary StorageEstimate {
    unsigned long long usage;
    unsigned long long quota;
    StorageUsageDetails usageDetails;
};