/// <reference types="pouchdb-core" />
/// <reference types="node" />
export interface LedgerTipModel {
    block_no: number;
    slot_no: string;
    hash: Buffer;
}
export declare const DB_MAX_SAFE_INTEGER = 2147483647;
export declare const DB_BLOCKS_BEHIND_TOLERANCE = 5;
export declare const findLedgerTip = "\nSELECT\n  block_no, slot_no, hash\nFROM block\nWHERE\n  block_no = (SELECT MAX(block_no) FROM block)";
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