import type { Key as BaseKey, Database } from 'lmdb';
import type { Key, Range } from '../interfaces/common.js';
import type { AztecAsyncCounter, AztecCounter } from '../interfaces/counter.js';
/**
 * A counter implementation backed by LMDB
 */
export declare class LmdbAztecCounter<K extends Key> implements AztecCounter<K>, AztecAsyncCounter<K> {
    #private;
    constructor(db: Database<unknown, BaseKey>, name: string);
    set(key: K, value: number): Promise<void>;
    update(key: K, delta?: number): Promise<void>;
    get(key: K): number;
    getAsync(key: K): Promise<number>;
    entries(range?: Range<K>): IterableIterator<[K, number]>;
    entriesAsync(range?: Range<K>): AsyncIterableIterator<[K, number]>;
    keys(range?: Range<K>): IterableIterator<K>;
    keysAsync(range?: Range<K>): AsyncIterableIterator<K>;
}
//# sourceMappingURL=data:application/json;base64,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