import { Token, Pair } from '@uniswap/sdk';
export declare class UniRoute {
    WEB3_URL: string;
    constructor(_WEB3_URL?: string);
    getSwapCallDetails(fromToken: {
        decimals: number;
        address: string;
    }, toToken: {
        decimals: number;
        address: string;
    }, maxHops: number, swapAmountIn: string): Promise<{
        "path": string[];
        "outAmount": string;
        "priceImpact": number;
        "fromToken": {
            decimals: number;
            address: string;
        };
        "toToken": {
            decimals: number;
            address: string;
        };
    }>;
    private getAllPairs;
}
export declare const AMPL: Token;
export declare const DAI: Token;
export declare const WETH: Token;
export declare const USDC: Token;
export declare const USDT: Token;
export declare const COMP: Token;
export declare const MKR: Token;
/**
 * Some tokens can only be swapped via certain pairs, so we override the list of bases that are considered for these
 * tokens.
 */
export declare const CUSTOM_BASES: {
    [x: string]: Token[];
};
export declare const BASES_TO_CHECK_TRADES_AGAINST: Token[];
export declare enum PairState {
    LOADING = 0,
    NOT_EXISTS = 1,
    EXISTS = 2,
    INVALID = 3
}
export declare function usePairs(tokens: [Token | undefined, Token | undefined][]): Promise<[PairState, Pair | null][]>;
export declare function fetchPairReserves(address: string, provider: any): Promise<any>;