import type { Context } from "@/types";
import type { HeartbeatCreateTaskArgs, HeartbeatDefinition, HeartbeatSchedulerOptions } from "../heartbeatTypes.js";
/**
 * Manages interval-based heartbeat task execution.
 *
 * Runs all heartbeat tasks in a single batch at regular intervals.
 */
export declare class HeartbeatScheduler {
    private config;
    private repository;
    private intervalMs;
    private onRun;
    private onError?;
    private onTaskComplete?;
    private timer;
    private started;
    private stopped;
    private running;
    private nextRunAt;
    constructor(options: HeartbeatSchedulerOptions);
    start(): Promise<void>;
    stop(): void;
    runNow(taskIds?: string[]): Promise<{
        ran: number;
        taskIds: string[];
    }>;
    listTasks(): Promise<HeartbeatDefinition[]>;
    createTask(ctx: Context, definition: HeartbeatCreateTaskArgs): Promise<HeartbeatDefinition>;
    deleteTask(ctx: Context, taskId: string): Promise<boolean>;
    getIntervalMs(): number;
    getNextRunAt(): Date | null;
    private generateTaskIdFromTitle;
    private scheduleNext;
    private tick;
    private runOnce;
    private runOnceUnlocked;
}
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