import type { AssetType, Erc20AssetType, Erc721AssetType, EthAssetType } from "@rarible/ethereum-api-client"; import type { EthereumConfig } from "../../config/type"; export declare function isETH(asset: AssetType): asset is EthAssetType; export declare function isErc20(asset: AssetType): asset is Erc20AssetType; export declare function isErc721(asset: AssetType): asset is Erc721AssetType; export declare function isErc1155(asset: AssetType): asset is Erc721AssetType; export declare function isWeth(asset: AssetType, config: EthereumConfig): boolean;