import type { CaipNetwork } from '@web3modal/scaffold';
import type { ethers } from 'ethers';
import type EthereumProvider from 'node_modules/@walletconnect/ethereum-provider/dist/types/EthereumProvider.js';
export declare function getCaipDefaultChain(chain?: number): CaipNetwork | undefined;
export declare function hexStringToNumber(value: string): number;
export declare function numberToHexString(value: number): string;
export declare function addEthereumChain(provider: ethers.providers.Web3Provider | EthereumProvider, chainId: number, id: string): Promise<void>;