import { SchedulerError } from "@sema-agent/core";
import type { SchedulerCapability, ScheduledIntent, SchedulerContext, ScheduledTaskId, ScheduledTaskSummary } from "@sema-agent/core";
import type { SchedulerRecord } from "@sema-agent/settings-schema/scheduler-store";
export type { SchedulerRecord };
/** core `Result<T,E>` shape (harness/types) — `{ok:true,value} | {ok:false,error}`. */
type Result<T, E> = {
    ok: true;
    value: T;
} | {
    ok: false;
    error: E;
};
/** Default caps (fail-closed bounds; [ref] §3.9). Override per deployment. */
export declare const DEFAULT_SCHEDULER_CAPS: {
    readonly supported: true;
    readonly maxScheduledPerScope: 32;
    readonly minDelaySec: 10;
    readonly minCronIntervalSec: 60;
    readonly maxScheduledHorizonSec: number;
    readonly supportsSessionLifetime: true;
    readonly supportsSessionWakeup: true;
};
type Caps = SchedulerCapability["schedulerCapabilities"];
/**
 * PURE validation of an intent against caps + now. Returns a SchedulerError or null (ok). No IO. Testable.
 * cron via core `isValidCronExpr` (RCE-safe, no shell-exec); delay/at bounded by minDelaySec + horizon.
 */
export declare function validateIntent(intent: ScheduledIntent, caps: Caps, nowMs: number): SchedulerError | null;
/** The default shared store path: `SEMA_CONFIG_DIR` → `~/.sema`, file `scheduled_tasks.json` (server + shell agree). */
export declare function defaultSchedulerStorePath(): string;
/**
 * File-backed SchedulerCapability (durable across daemon restarts). Store = a single JSON file (atomic write via
 * the registry-core /node binding). The resident shell daemon reads the same store to fire intents. `now`
 * injectable for tests.
 */
export declare class FileSchedulerBackend implements SchedulerCapability {
    readonly schedulerCapabilities: Caps;
    private readonly storePath;
    private readonly now;
    constructor(opts?: {
        storePath?: string;
        caps?: Partial<Caps>;
        now?: () => number;
    });
    private load;
    private save;
    schedule(intent: ScheduledIntent, ctx: SchedulerContext): Promise<Result<{
        id: ScheduledTaskId;
    }, SchedulerError>>;
    cancel(id: ScheduledTaskId, ctx: SchedulerContext): Promise<Result<void, SchedulerError>>;
    list(ctx: SchedulerContext): Promise<Result<ScheduledTaskSummary[], SchedulerError>>;
}
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