import { RedisHttpCommand } from '../../lib/redis-http-command.js';
import type { UpdateStringKeyCommandInput, UpdateStringKeyCommandOutput } from './update-string-key-command.types.js';
/**
 * Updates an existing `string` key
 *
 * @endpoint [POST] /key/string/_update
 * @group StringKey
 */
export declare class UpdateStringKeyCommand extends RedisHttpCommand<UpdateStringKeyCommandInput, UpdateStringKeyCommandOutput> {
    toRequestParams(params: UpdateStringKeyCommandInput): Partial<import("../../../../types/request.types.ts").CcRequestParams>;
    isIdempotent(): boolean;
}
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