import { ReadAllStorage, ReadGetAllStorage, ReadStorage } from '@neo-one/node-core-esnext-esm';
import LRUCache from 'lru-cache';
declare type SerializeKeyString<Key> = (key: Key) => string;
export declare function createReadStorage<Key, Value>({ cache, storage, serializeKeyString, }: {
    readonly cache: LRUCache<string, Value>;
    readonly storage: ReadStorage<Key, Value>;
    readonly serializeKeyString: SerializeKeyString<Key>;
}): ReadStorage<Key, Value>;
export declare function createReadAllStorage<Key, Value>({ cache, storage, serializeKeyString, }: {
    readonly cache: LRUCache<string, Value>;
    readonly storage: ReadAllStorage<Key, Value>;
    readonly serializeKeyString: SerializeKeyString<Key>;
}): ReadAllStorage<Key, Value>;
export declare function createReadGetAllStorage<Key, Keys, Value>({ cache, storage, serializeKeyString, }: {
    readonly cache: LRUCache<string, Value>;
    readonly storage: ReadGetAllStorage<Key, Keys, Value>;
    readonly serializeKeyString: SerializeKeyString<Key>;
}): ReadGetAllStorage<Key, Keys, Value>;
export {};