import type { Effect } from "effect";
/**
 * A task the `Scheduler` runs on a cron schedule. Runs of one task never
 * overlap: the next fire is computed after the previous run completes.
 */
export interface ScheduledTask<E = never, R = never> {
    /** Human-readable name for logging. */
    readonly name: string;
    /**
     * Cron expression, seconds first: `second minute hour day month weekday`.
     * A five-field expression is accepted (seconds = 0).
     */
    readonly schedule: string;
    /** Max jitter in ms added before each run (default 0). */
    readonly jitterMs?: number;
    /** Whether to run once immediately after `start` (default false). */
    readonly runOnStartup?: boolean;
    /** The work. A failure or defect is logged as an error and never stops the schedule. */
    readonly run: Effect.Effect<void, E, R>;
}