import { BigNumber, ethers } from 'ethers';
export type GasStrategy = {
    maxPriorityFeePerGas?: BigNumber;
    maxFeePerGas?: BigNumber;
    gasLimit?: number;
};
export declare function getGasStrategy(provider: ethers.providers.Provider): Promise<GasStrategy>;
export declare function signerWithGasStrategy<T extends ethers.Signer>(signer: T): Promise<T>;
export declare function providerWithGasStrategy(provider: ethers.providers.Provider): Promise<ethers.providers.Provider>;