import { Percent, Currency, TradeType, Token } from "@uniswap/sdk-core";
import { Trade as V2Trade } from "@uniswap/v2-sdk";
import { Contract } from "@ethersproject/contracts";
import { Web3Provider, JsonRpcSigner } from "@ethersproject/providers";
import { TokenAddressMap } from "../state/glists/hooks";
export declare function escapeRegExp(string: string): string;
export declare function isTokenOnList(
  tokenAddressMap: TokenAddressMap,
  token?: Token
): boolean;
export declare function shortenAddress(address: string, chars?: number): string;
export declare function isAddress(value: any): string | false;
export declare function isTradeBetter(
  tradeA: V2Trade<Currency, Currency, TradeType> | undefined | null,
  tradeB: V2Trade<Currency, Currency, TradeType> | undefined | null,
  minimumDelta?: Percent
): boolean | undefined;
export declare function getSigner(
  library: Web3Provider,
  account: string
): JsonRpcSigner;
export declare function getProviderOrSigner(
  library: Web3Provider,
  account?: string
): Web3Provider | JsonRpcSigner;
export declare function getContract(
  address: string,
  ABI: any,
  library: Web3Provider,
  account?: string
): Contract;
export declare function getEtherBalance(
  address: string,
  library: Web3Provider
): Promise<import("ethers").BigNumber>;