import { Key } from 'interface-datastore/key';
import { BaseDatastore } from './base.ts';
import type { AbortOptions } from 'abort-error';
import type { KeyQuery, Pair, Query } from 'interface-datastore';
export declare class MemoryDatastore extends BaseDatastore {
    private readonly data;
    constructor();
    put(key: Key, val: Uint8Array, options?: AbortOptions): Key | Promise<Key>;
    get(key: Key, options?: AbortOptions): Uint8Array | Promise<Uint8Array>;
    has(key: Key, options?: AbortOptions): boolean | Promise<boolean>;
    delete(key: Key, options?: AbortOptions): void | Promise<void>;
    _all(q: Query, options?: AbortOptions): Generator<Pair> | AsyncGenerator<Pair>;
    _allKeys(q: KeyQuery, options?: AbortOptions): Generator<Key> | AsyncGenerator<Key>;
}
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