import { Pair } from "@uniswap/v2-sdk";
import { Currency } from "@uniswap/sdk-core";
import { Handler } from "@gelatonetwork/limit-orders-lib";
export declare enum PairState {
  LOADING = 0,
  NOT_EXISTS = 1,
  EXISTS = 2,
  INVALID = 3,
}
export declare function usePairs(
  currencies: [Currency | undefined, Currency | undefined][],
  handler?: Handler
): [PairState, Pair | null][];
export declare function usePair(
  tokenA?: Currency,
  tokenB?: Currency
): [PairState, Pair | null];