export declare class IndexedDbInitializer {
    static DATABASE_NAME: string;
    static DATABASE_VERSION: number;
    static DATABASE_STORE_UPLOAD: string;
    static DATABASE_STORE_TASK: string;
    static DATABASE_PRIMARY_KEY: string;
    static DATABASE_STORE_UPLOAD_INDEX_USERID: string;
    static DATABASE_STORE_UPLOAD_INDEX_DIGEST: string;
    static DATABASE_STORE_UPLOAD_INDEX_UPLOADID: string;
    static DATABASE_STORE_TASK_INDEX: string;
    static DATABASE_STORE_TASK_INDEX_USERID: string;
    static createDatabaseSchemaAsync(db: IDBDatabase): Promise<void>;
    private static createStoreAsync;
    private static createUploadStoreAsync;
    private static createTaskStoreAsync;
}