import type { Client, ReadContractErrorType } from 'viem';
import type { Address } from 'viem/accounts';
import { type PacketToBytesErrorType } from 'viem/ens';
export type GetUnderlyingResolverParameters = {
    resolverAddress: Address;
    name: string;
};
export type GetUnderlyingResolverReturnType = readonly [Address, boolean];
export type GetUnderlyingResolverErrorType = ReadContractErrorType | PacketToBytesErrorType;
/**
 * Finds the underlying non-mainnet resolver address via offchain lookup.
 * @param client - {@link Client}
 * @param parameters - {@link GetUnderlyingResolverParameters}
 * @returns Resolver address, or null if none is found, and whether it's on mainnet or not. {@link GetUnderlyingResolverReturnType}
 *
 * @example
 * import { createPublicClient, http } from 'viem'
 * import { mainnet } from 'viem/chains'
 * import { addEnsContracts } from '@ensdomains/ensjs'
 * import { getUnderlyingAddress } from '@ensdomains/ensjs/public/v2'
 *
 * const client = createPublicClient({
 *   chain: addEnsContracts(mainnet),
 *   transport: http(),
 * })
 * const result = await getUnderlyingAddress(client, {
 *   resolverAddress: '0x...',
 *   name: 'ens.eth',
 * })
 * // ['0x352d7aA7a8bd0F6f31635BE5ceCb6Cebb6929A15', false]
 */
export declare function getUnderlyingAddress(client: Client, { resolverAddress, name }: GetUnderlyingResolverParameters): Promise<GetUnderlyingResolverReturnType>;
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