import type { MigrationEntry } from "../db/migrations.js";
export declare const AUTOMATION_SCHEDULER_LEASE_MS: number;
export declare const AUTOMATION_SCHEDULER_LEASE_RENEWAL_MS = 60000;
export declare class AutomationSchedulerLeaseLostError extends Error {
    readonly errorCode = "automation_scheduler_lease_lost";
    constructor(cause?: unknown);
}
export declare const AUTOMATION_SCHEDULER_HEALTH_MIGRATIONS: MigrationEntry[];
/** Kept for callers of the public export; the store owns these migrations. */
export declare function runAutomationSchedulerHealthMigrations(_nitroApp?: unknown): Promise<void>;
export interface AutomationSchedulerHealth {
    appId: string;
    orgId: string | null;
    lastCheckedAt: number | null;
    lastDispatchedAt: number | null;
    lastError: string | null;
    runtime: string | null;
    updatedAt: number | null;
}
export declare const schedulerHealthStore: import("../db/store-registry.js").Store;
export declare function ensureHealthTable(): Promise<void>;
export declare function acquireAutomationSchedulerLease(input?: {
    appId?: string;
    now?: number;
    leaseMs?: number;
}): Promise<string | null>;
export declare function renewAutomationSchedulerLease(input: {
    appId?: string;
    owner: string;
    now?: number;
    leaseMs?: number;
}): Promise<boolean>;
export declare function releaseAutomationSchedulerLease(input: {
    appId?: string;
    owner: string;
}): Promise<void>;
export declare function recordAutomationSchedulerHealth(input: {
    appId?: string;
    orgId?: string | null;
    checkedAt?: number;
    dispatchedAt?: number;
    error?: string | null;
    runtime?: string | null;
}): Promise<void>;
export declare function getAutomationSchedulerHealth(input?: {
    appId?: string;
    orgId?: string | null;
}): Promise<AutomationSchedulerHealth | null>;