import { Contract, ContractInterface } from '@ethersproject/contracts';
import { JsonRpcProvider } from '@ethersproject/providers';
/**
 * Returns a new instance of the Contract class for the specified contract address and ABI,
 * using the specified JSON-RPC provider, and an optional account for signing.
 * @param {string} address The address of the contract.
 * @param {ContractInterface} ABI The ABI (Application Binary Interface) for the contract.
 * @param {JsonRpcProvider} provider The JSON-RPC provider to use for interacting with the blockchain.
 * @param {string} [account] Optional account address for signing transactions.
 * @returns {Contract} A new instance of the Contract class for the specified contract address and ABI.
 * @throws {Error} If the address is invalid.
 */
export declare const getContract: (address: string, ABI: ContractInterface, provider: JsonRpcProvider, account?: string | undefined) => Contract;