import { Context, HandlerConfiguration } from './context.js';
import { type CronExpression } from './host/timer-registry.js';
export * from './context.js';
export type Timer = {
    readonly triggerTime: Date;
};
export type TimerHandlerConfiguration = HandlerConfiguration & {
    /**
     * The TZ identifier identifying which time zone to the schedule is in, UTC if undefined.
     * @default undefined
     * @example 'America/Los_Angeles'
     */
    readonly timezone?: string;
};
export type Handler = (context: Context, when: Timer) => Promise<void> | void;
export declare function setInterval(schedule: CronExpression, fn: Handler): void;
export declare function setInterval(schedule: CronExpression, config: HandlerConfiguration, fn: Handler): void;