/// <reference types="node" />
import { KeyLookupResult } from "./interfaces";
export declare class GetOrSetNonceError extends Error {
}
export declare const kCombinations: (s: number | number[], k: number) => number[][];
export declare const thresholdSame: <T>(arr: T[], t: number) => T;
export declare const keyLookup: (endpoints: string[], verifier: string, verifierId: string) => Promise<KeyLookupResult>;
export declare const waitKeyLookup: (endpoints: string[], verifierId: string, timeout: number) => Promise<KeyLookupResult>;
export declare function keccak256(a: string | Buffer): string;
export declare const allSettled: typeof Promise.allSettled;