Interface IndexedDB

interface IndexedDB {
    close(): void;
    createObjectStore(
        name: string,
        schema?: ObjectStoreSchema,
    ): Promise<ObjectStore>;
    deleteObjectStore(name: string): Promise<void>;
    createIndex(store: string, index: IndexSchema): Promise<void>;
    deleteIndex(store: string, name: string): Promise<void>;
    objectStore(name: string): ObjectStore;
    transaction(
        stores: string[],
        mode?: TransactionMode,
        options?: TransactionOptions,
    ): Promise<Transaction>;
}