import { ChainId } from "../data-token/types";
export declare const getBlockNumberByTimestamp: ({ chainId, timestamp, }: {
    chainId: ChainId;
    timestamp: number;
}) => Promise<number>;
export declare const getTimestampByBlockNumber: ({ chainId, blockNumber, }: {
    chainId: ChainId;
    blockNumber: number;
}) => Promise<number>;