import { RpcSource } from './index.js';
/**
 * Retrieves the L2 token address corresponding to an L1 token address.
 *
 * @param l1TokenAddress - The address of the token on L1.
 * @param rpc - The RPC source for connecting to the network.
 * @param l1GatewayRouterAddress - The address of the L1 Gateway Router contract.
 * @returns A Promise that resolves to the address of the corresponding L2 token.
 * @throws Will throw an error if the L2 token address cannot be retrieved.
 */
export declare function getL2TokenFromL1Address(l1TokenAddress: string, rpc: RpcSource, l1GatewayRouterAddress: string): Promise<string>;