import type { Contract } from '@ethersproject/contracts';
import type { JsonRpcProvider } from '@ethersproject/providers';
export declare function getUniswapContract<T>(library: JsonRpcProvider, account: string, chainId: number, addressOrAddressMap: string | {
    [chainId: number]: string;
} | undefined, ABI: any, withSignerIfPossible?: boolean): () => T | null;
export declare function getTokenContract(library: JsonRpcProvider, account: string, chainId: number, tokenAddress?: string, withSignerIfPossible?: boolean): () => ({
    constant: boolean;
    inputs: {
        name: string;
        type: string;
    }[];
    name: string;
    outputs: {
        name: string;
        type: string;
    }[];
    payable: boolean;
    stateMutability: string;
    type: string;
    anonymous?: undefined;
} | {
    payable: boolean;
    stateMutability: string;
    type: string;
    constant?: undefined;
    inputs?: undefined;
    name?: undefined;
    outputs?: undefined;
    anonymous?: undefined;
} | {
    anonymous: boolean;
    inputs: {
        indexed: boolean;
        name: string;
        type: string;
    }[];
    name: string;
    type: string;
    constant?: undefined;
    outputs?: undefined;
    payable?: undefined;
    stateMutability?: undefined;
})[] | null;
export declare function getEIP2612Contract(library: JsonRpcProvider, account: string, chainId: number, tokenAddress?: string): Contract | null;
export declare function getV2RouterContract(library: JsonRpcProvider, account: string, chainId: number): Contract | null;
export declare function getV3RouterContract(library: JsonRpcProvider, account: string, chainId: number): Contract | null;