/**
 * Provides cron-related utility functions based on the
 * [cron](https://en.wikipedia.org/wiki/Cron) format for use
 * in HotMesh mapping rules.
 *
 * @remarks
 * Invoked in mapping rules using `{@cron.<method>}` syntax.
 */
declare class CronHandler {
    /**
     * Calculates the delay in seconds until the next execution
     * of a cron job. Throws on invalid expressions rather than
     * degrading silently.
     *
     * @param {string} cronExpression - The cron expression to parse (e.g. `'0 0 * * *'`)
     * @returns {number} The delay in seconds until the next cron job execution (minimum `HMSH_FIDELITY_SECONDS`)
     * @throws {Error} If the cron expression is invalid
     * @example
     * ```yaml
     * cron_next_result:
     *   "@pipe":
     *     - ["{a.expressions.cron}"]
     *     - ["{@cron.nextDelay}"]
     * ```
     */
    nextDelay(cronExpression: string): number;
}
export { CronHandler };