/**
 * Browser fallback for stwo - loads from window.s2circuits
 * The s2circuits.js script must be loaded before this runs
 */
import type { MakeZKOperatorOpts, ZKOperator } from '@reclaimprotocol/zk-symmetric-crypto';
export declare function makeStwoZkOperator({ algorithm, fetcher, }: MakeZKOperatorOpts<object>): ZKOperator;