import type { DeepPartial } from "../utils/deep-partial";
import type { DeepPick } from "../utils/deep-pick";
import type { EthereumConfig } from "./type";
type EtheriumConfigRequiredFields = DeepPick<EthereumConfig, "basePath" | "chainId" | "environment" | "weth" | "blockchain" | "exchange.v2" | "exchange.wrapper" | "transferProxies.nft" | "transferProxies.erc20" | "transferProxies.erc721Lazy" | "transferProxies.erc1155Lazy" | "factories.erc721" | "factories.erc1155">;
export declare function extendConfig(additions: EtheriumConfigRequiredFields & DeepPartial<EthereumConfig>, baseConfig?: EthereumConfig): EthereumConfig;
export {};