import { DBIndex, DBProto, IndexKeys } from '@nu-art/ts-common';
export type ReduceFunction_V3<ItemType, ReturnType> = (accumulator: ReturnType, arrayItem: ItemType, index?: number, array?: ItemType[]) => ReturnType;
export type DBConfigV3<Proto extends DBProto<any>> = {
    name: string;
    group: string;
    version?: number;
    autoIncrement?: boolean;
    uniqueKeys: (keyof Proto['dbType'])[];
    indices?: DBIndex<Proto['dbType']>[];
    upgradeProcessor?: (db: IDBDatabase) => void;
};
export type IndexDb_Query_V3 = {
    query?: string | number | string[] | number[];
    indexKey?: string;
    limit?: number;
};
export declare class IndexedDBV3<Proto extends DBProto<any>> {
    private db;
    private config;
    private static dbs;
    static getOrCreate<Proto extends DBProto<any>>(config: DBConfigV3<Proto>): IndexedDBV3<Proto>;
    constructor(config: DBConfigV3<Proto>);
    exists(): Promise<IDBDatabaseInfo | undefined>;
    open(): Promise<IDBDatabase>;
    readonly store: (write?: boolean, store?: IDBObjectStore) => Promise<IDBObjectStore>;
    private getCursor;
    private cursorHandler;
    insert(value: Proto['dbType'], _store?: IDBObjectStore): Promise<Proto['dbType']>;
    insertAll(values: Proto['dbType'][], _store?: IDBObjectStore): Promise<void>;
    upsert(value: Proto['dbType'], _store?: IDBObjectStore): Promise<Proto['dbType']>;
    upsertAll(values: Proto['dbType'][], _store?: IDBObjectStore): Promise<void>;
    get(key: IndexKeys<Proto['dbType'], keyof Proto['dbType']>): Promise<Proto['dbType'] | undefined>;
    query(query: IndexDb_Query_V3): Promise<Proto['dbType'][] | undefined>;
    queryFilter(filter: (item: Proto['dbType']) => boolean, query?: IndexDb_Query_V3): Promise<Proto['dbType'][]>;
    WIP_queryMapNew<Type>(mapper: (item: Proto['dbType']) => Type, filter?: (item: Proto['dbType']) => boolean, query?: IndexDb_Query_V3): Promise<Type[]>;
    WIP_queryMap<Type>(mapper: (item: Proto['dbType']) => Type, filter?: (item: Proto['dbType']) => boolean, query?: IndexDb_Query_V3): Promise<Type[]>;
    queryFind(filter: (item: Proto['dbType']) => boolean): Promise<Proto['dbType'] | undefined>;
    queryReduce<ReturnType>(reducer: ReduceFunction_V3<Proto['dbType'], ReturnType>, initialValue: ReturnType, filter?: (item: Proto['dbType']) => boolean, query?: IndexDb_Query_V3): Promise<ReturnType>;
    clearDB(): Promise<void>;
    deleteDB(): Promise<void>;
    deleteAll(keys: (IndexKeys<Proto['dbType'], keyof Proto['dbType']> | Proto['dbType'])[]): Promise<Proto['dbType'][]>;
    delete(key: (IndexKeys<Proto['dbType'], keyof Proto['dbType']> | Proto['dbType'])): Promise<Proto['dbType']>;
}