import type { CronTask, NewCronTask, ListFilter, ArmLoopInput, ArmLoopResult, LoopEndedReason, StartOpts, Interface, CronLogger } from "./types.js";
export declare class CronScheduler implements Interface {
    private rt;
    private readonly sessionStore;
    private readonly loopState;
    private readonly logger;
    private readonly defaultOnFire;
    /**
     * @param opts.onFire 必需：任务到点时调用。host 的 cron-bridge 在此注入 prompt 到 session runLoop；
     *                    独立项目（如 PM-Agent）在此调 agent.run。start() 时若 StartOpts.onFire 未传则用此默认值。
     * @param opts.logger 默认 SILENT_LOGGER。host 传入适配 @/util/log 的实现。
     * @param opts.dir 持久化目录，默认 process.cwd()。durable 任务落 <dir>/.sirius/scheduled_tasks.json。
     */
    constructor(opts: {
        onFire: (task: CronTask) => void;
        logger?: CronLogger;
    });
    /** 统一解析 fire 回调：start 时 opts.onFire 优先，否则用构造时的 defaultOnFire。 */
    private fire;
    private computeNextFireFor;
    private allTasks;
    private tick;
    start: (opts: StartOpts) => Promise<void>;
    stop: () => Promise<void>;
    add: (input: NewCronTask) => Promise<CronTask>;
    private findById;
    private removeBy;
    remove: (id: string, opts?: {
        session_id?: string;
    }) => Promise<boolean>;
    rename: (id: string, prompt: string, opts?: {
        session_id?: string;
    }) => Promise<boolean>;
    list: (filter: ListFilter) => Promise<CronTask[]>;
    get: (id: string, opts?: {
        session_id?: string;
    }) => Promise<CronTask | null>;
    armLoop: (input: ArmLoopInput) => Promise<ArmLoopResult | null>;
    resetKeepaliveStrikes: (prompt: string) => Promise<void>;
    incrementKeepaliveStrikes: (prompt: string) => Promise<void>;
    endLoop: (prompt: string, reason: LoopEndedReason, opts?: {
        via_keepalive?: boolean;
    }) => Promise<void>;
    nextFireTime: () => Promise<number | null>;
    tickOnce: () => Promise<void>;
}