src/vs/platform/files/browser/indexedDBFileSystemProvider.ts/IndexedDBFileSystemProvider/constructor
class IndexedDBFileSystemProvider:	constructor(readonly scheme: string, private indexedDB: IndexedDB, private readonly store: string, watchCrossWindowChanges: boolean) {
		super();
		this.writeManyThrottler = new Throttler();

		if (watchCrossWindowChanges) {
			this.changesBroadcastChannel = this._register(new IndexedDBChangesBroadcastChannel(`vscode.indexedDB.${scheme}.changes`));
			this._register(this.changesBroadcastChannel.onDidFileChanges(changes => this._onDidChangeFile.fire(changes)));
		}
	}