src/vs/workbench/services/storage/browser/storageService.ts/IndexedDBStorageDatabase/clear
class IndexedDBStorageDatabase:	async clear(): Promise<void> {
		const db = await this.whenConnected;

		await db.runInTransaction(IndexedDBStorageDatabase.STORAGE_OBJECT_STORE, 'readwrite', objectStore => objectStore.clear());
	}