import { ethers } from 'ethers';
import { EthereumBlockchainReader } from '../controllers/helpers/EthereumBlockchainReader';
import { IEVMMailerContractLink, IEVMRegistryContractLink } from '../misc';
export type SigningContext = ethers.providers.Provider | ethers.Signer;
export declare class ContractCache<Contract = any> {
    readonly factory: {
        connect: (address: string, provider: SigningContext) => Contract;
    };
    readonly blockchainReader: EthereumBlockchainReader;
    private readonly contractCache;
    constructor(factory: {
        connect: (address: string, provider: SigningContext) => Contract;
    }, blockchainReader: EthereumBlockchainReader);
    getContract(address: string, provider: SigningContext): Contract;
    contractOperation<T>(contractLink: IEVMMailerContractLink | IEVMRegistryContractLink, callback: (contract: Contract, provider: ethers.providers.Provider, blockLimit: number, latestNotSupported: boolean, batchNotSupported: boolean, stopTrying: () => void) => Promise<T>): Promise<T>;
}