import type { Logger } from 'pino';
import { type MultiProtocolProvider } from '@hyperlane-xyz/sdk';
import type { ConfirmedBlockTag } from '../interfaces/IMonitor.js';
/**
 * Get the confirmed block tag for a chain, accounting for reorg period.
 * Returns a block number that is safe from reorgs, or a named tag like 'finalized'.
 *
 * @param multiProvider - Provider registry with chain metadata and ethers access
 * @param chainName - Name of the chain
 * @param logger - Optional logger for warnings
 * @returns Confirmed block tag (number, named tag, or undefined on error)
 */
export declare function getConfirmedBlockTag(multiProvider: Pick<MultiProtocolProvider, 'getChainMetadata' | 'getEthersV5Provider'>, chainName: string, logger?: Logger): Promise<ConfirmedBlockTag>;
//# sourceMappingURL=blockTag.d.ts.map