import BigNumber from 'bignumber.js';
import dayjs from 'dayjs';
export declare const getBlockTime: (startBlockNumber: BigNumber, startTime: number | Date, endBlockNumber: BigNumber, endTime: number | Date) => BigNumber;
export declare const getPreBlock: (blockTime: number, blockNumber: BigNumber, time: number | Date) => BigNumber;
export declare const getTimeByPreBlock: (blockTime: number, blockNumber: BigNumber, preBlockNumber: string | number | BigNumber) => dayjs.Dayjs;
//# sourceMappingURL=blockNumber.d.ts.map