chromium/storage/browser/file_system/watcher_manager.h

// 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.

#ifndef STORAGE_BROWSER_FILE_SYSTEM_WATCHER_MANAGER_H_
#define STORAGE_BROWSER_FILE_SYSTEM_WATCHER_MANAGER_H_

#include "base/files/file.h"
#include "base/functional/callback_forward.h"

namespace storage {

class FileSystemURL;

// An interface for providing entry observing capability for file system
// backends.
//
// All member functions must be called on the IO thread. Callbacks will be
// called on the IO thread.
//
// It is NOT valid to give null callback to this class, and implementors
// can assume that they don't get any null callbacks.
class WatcherManager { … };

}  // namespace storage

#endif  // STORAGE_BROWSER_FILE_SYSTEM_WATCHER_MANAGER_H_