import { TimeOrBlock } from 'eth/bind-options.js';
import { JsonRpcProvider } from 'ethers';
export declare function estimateBlockNumberAtDate(provider: JsonRpcProvider, targetDate: Date, startBlock?: number): Promise<number | undefined>;
export declare function estimateBlockNumberAtDateSlow(provider: JsonRpcProvider, targetDate: Date, startBlock?: number): Promise<number | undefined>;
export declare function timeOrBlockToBlockNumber(provider: JsonRpcProvider, timeOrBlock: TimeOrBlock): Promise<bigint>;
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