import { ERC20Item, ERC721Item, ItemBalance, ItemRequirement, WrappedBrowserProvider, NativeItem, TokenBalance, TokenInfo } from '../../types';
import { BalanceERC20Requirement, BalanceERC721Requirement, BalanceNativeRequirement } from './types';
export declare const getTokensFromRequirements: (itemRequirements: ItemRequirement[]) => TokenInfo[];
/**
 * Gets the balance requirement with delta for an ERC721 requirement.
 */
export declare const getERC721BalanceRequirement: (itemRequirement: ERC721Item, balances: ItemBalance[]) => BalanceERC721Requirement;
export declare const getTokenFromBalances: (itemRequirement: ERC20Item | NativeItem, balances: ItemBalance[]) => TokenBalance | undefined;
type TokensInfoMap = {
    [key: string]: TokenInfo;
};
export declare const getTokensInfo: (itemRequirements: Array<ERC20Item | NativeItem>, balances: ItemBalance[], provider: WrappedBrowserProvider) => Promise<TokensInfoMap>;
/**
 * Gets the balance requirement for a NATIVE or ERC20 requirement.
 */
export declare const getTokenBalanceRequirement: (itemRequirement: ERC20Item | NativeItem, balances: ItemBalance[], token: TokenInfo) => BalanceNativeRequirement | BalanceERC20Requirement;
export {};