import { ChainId } from '../../../constants';
import { TokenAmount } from '../../fractions';
import { Percent } from '../../fractions/percent';
import { Platform } from '../../platforms-breakdown';
import { ApiSource, DecodeStringFractionReturn } from './types';
export declare const decodePlatformName: (apiName: string) => string;
export declare const decodeStringFraction: (value: string) => DecodeStringFractionReturn;
export declare const decodeStringToPercent: (value: string, isStringPercent?: boolean) => Percent;
export declare const platformsFromSources: (sources: ApiSource[]) => Platform[];
interface ApiParams {
    apiUrl: string;
    sellAmount?: TokenAmount;
    buyAmount?: TokenAmount;
    maximumSlippage: Percent;
    chainId: ChainId;
    buyToken?: string;
    sellToken?: string;
}
export declare function build0xApiUrl({ apiUrl, sellAmount, buyAmount, maximumSlippage, chainId, buyToken, sellToken, }: ApiParams): string;
export {};