import { Serializable } from "../load/serializable.js";
/**
 * Abstract interface for a key-value store.
 */
export declare abstract class BaseStore<K, V> extends Serializable {
    /**
     * Abstract method to get multiple values for a set of keys.
     * @param {K[]} keys - An array of keys.
     * @returns {Promise<(V | undefined)[]>} - A Promise that resolves with array of values or undefined if key not found.
     */
    abstract mget(keys: K[]): Promise<(V | undefined)[]>;
    /**
     * Abstract method to set a value for multiple keys.
     * @param {[K, V][]} keyValuePairs - An array of key-value pairs.
     * @returns {Promise<void>} - A Promise that resolves when the operation is complete.
     */
    abstract mset(keyValuePairs: [K, V][]): Promise<void>;
    /**
     * Abstract method to delete multiple keys.
     * @param {K[]} keys - An array of keys to delete.
     * @returns {Promise<void>} - A Promise that resolves when the operation is complete.
     */
    abstract mdelete(keys: K[]): Promise<void>;
    /**
     * Abstract method to yield keys optionally based on a prefix.
     * @param {string} prefix - Optional prefix to filter keys.
     * @returns {AsyncGenerator<K | string>} - An asynchronous generator that yields keys on iteration.
     */
    abstract yieldKeys(prefix?: string): AsyncGenerator<K | string>;
}