export type IndexerSnapshot = {
    blockNumber: number;
    transactionIndex: number;
    logIndex: number;
};
/**
 * Compares the two snapshots provided.
 * @param snapA
 * @param snapB
 * @returns 0 if they're equal, negative if `a` goes up, positive if `b` goes up
 */
export declare function snapshotComparator(snapA: IndexerSnapshot, snapB: IndexerSnapshot): number;
/**
 * Compares blockNumber and onChainBlockNumber and returns `true`
 * if blockNumber is considered confirmed.
 * @returns boolean
 */
export declare function isConfirmedBlock(blockNumber: number, onChainBlockNumber: number, maxConfirmations: number): boolean;
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