import { BigNumber } from '@ethersproject/bignumber';
import { Block, BlockWithTransactions } from '@ethersproject/abstract-provider';
import { WebSocketProvider, JsonRpcProvider } from '@ethersproject/providers';
export declare type GasPricing = {
    isEip1559: boolean;
    gasPrice: BigNumber | null;
    nextBlockFee: BigNumber | null;
    nextPriorityFee: BigNumber | null;
    maxFeePerGas: BigNumber | null;
    lowestBlockFee: BigNumber | null;
    averageBlockFee: BigNumber | null;
    highestBlockFee: BigNumber | null;
    lowestPriorityFee: BigNumber | null;
    averagePriorityFee: BigNumber | null;
    highestPriorityFee: BigNumber | null;
};
export declare function calculateNextBlockFee(parent: Block | BlockWithTransactions): BigNumber;
export declare function adjustBaseBlockFee(network: string, baseBlockFee: BigNumber): BigNumber;
export declare function initializeGasPricing(network: string, provider: JsonRpcProvider | WebSocketProvider): Promise<GasPricing>;
export declare function updateGasPricing(network: string, block: Block | BlockWithTransactions, gasPricing: GasPricing): GasPricing;