import type { CommonKeyValueDB, IncrementTuple, KeyValueDBTuple } from '@naturalcycles/db-lib/kv';
import type { Pipeline } from '@naturalcycles/nodejs-lib/stream';
import { DatastoreDB } from './datastore.db.js';
import type { DatastoreDBCfg } from './datastore.model.js';
export interface DatastoreKeyValueDBCfg extends DatastoreDBCfg {
}
export declare class DatastoreKeyValueDB implements CommonKeyValueDB {
    cfg: DatastoreKeyValueDBCfg;
    constructor(cfg: DatastoreKeyValueDBCfg);
    db: DatastoreDB;
    support: any;
    ping(): Promise<void>;
    createTable(): Promise<void>;
    getByIds(table: string, ids: string[]): Promise<KeyValueDBTuple[]>;
    deleteByIds(table: string, ids: string[]): Promise<void>;
    saveBatch(table: string, entries: KeyValueDBTuple[]): Promise<void>;
    streamIds(table: string, limit?: number): Pipeline<string>;
    streamValues(table: string, limit?: number): Pipeline<Buffer>;
    streamEntries(table: string, limit?: number): Pipeline<KeyValueDBTuple>;
    count(table: string): Promise<number>;
    incrementBatch(_table: string, _entries: IncrementTuple[]): Promise<IncrementTuple[]>;
}