declare const DAY_MS = 86400000;

/** Run one update pass over every countdown node inside `root`. */
declare function tickCountdowns(root?: ParentNode): void;
/**
 * Update `root` immediately, then (once per page) register a single 1s interval
 * that re-scans the whole document. Idempotent — safe to call on every render /
 * route change (mirrors remark's `clickHandlerBound` guard). No-op with no DOM.
 */
declare function startCountdowns(root?: ParentNode): void;

export { DAY_MS, startCountdowns, tickCountdowns };