import { BigNumber } from '@ethersproject/bignumber';
import type { JsonRpcProvider } from '@ethersproject/providers';
import { Percent } from '@uniswap/sdk-core';
import { AnyTrade } from './getSwapCallV2Params';
export declare enum SwapCallbackState {
    INVALID = 0,
    LOADING = 1,
    VALID = 2
}
interface UseSwapCallbackArgs {
    library: JsonRpcProvider;
    account: string;
    chainId: number;
    trade: AnyTrade | undefined;
    allowedSlippage: Percent;
    deadline: BigNumber | undefined;
    protocol: string;
}
export declare const getSwapCallback: ({ library, account, chainId, trade, allowedSlippage, deadline, protocol, }: UseSwapCallbackArgs) => {
    address: string;
    params: import("..").SwapCallParamsOut | import("..").SwapCallParamsIn;
    value: string;
} | undefined;
export {};