import type { AssetType, Erc1155AssetType, Erc1155LazyAssetType, Erc721AssetType, Erc721LazyAssetType, CryptoPunksAssetType } from "@rarible/ethereum-api-client";
export type NftAssetKnownType = Erc721AssetType | Erc1155AssetType | Erc721LazyAssetType | Erc1155LazyAssetType | CryptoPunksAssetType;
export declare function isNft(type: AssetType): type is NftAssetKnownType;