import { BasicToken, RouteStep } from '../types';
interface Options {
    backendUrl: string;
    fromToken: BasicToken;
    toToken: BasicToken;
    bannedDexIds?: string[];
    headers?: Record<string, string>;
    routeCacheTime?: number;
    epsilon?: number;
    maxPairsCount?: number;
    signal?: AbortSignal;
}
export default function getExchangeRoutes(options: Options): Promise<{
    routes: RouteStep[][];
    percents?: string[];
}>;
export {};