import type { Notification, NotificationSeverity } from "./types.js";
export declare const notificationsStore: import("../db/store-registry.js").Store;
export declare function ensureTable(): Promise<void>;
export interface InsertNotificationInput {
    owner: string;
    severity: NotificationSeverity;
    title: string;
    body?: string;
    metadata?: Record<string, unknown>;
    deliveredChannels?: string[];
    idempotencyKey?: string;
}
export declare function insertNotification(input: InsertNotificationInput): Promise<Notification>;
export declare function notificationIdForIdempotencyKey(owner: string, idempotencyKey: string): string;
/**
 * Claims one idempotent notification side effect. Expired pending claims may
 * be retried. Event claims may also be replayed after their dispatch lease
 * expires because event subscribers deduplicate by the stable event ID;
 * channel deliveries remain non-replayable once dispatch starts.
 */
export declare function claimNotificationDelivery(notificationId: string, key: string, kind?: "channel" | "event"): Promise<string | undefined>;
export declare function markNotificationDeliveryDispatching(notificationId: string, key: string, claimToken: string, kind?: "channel" | "event"): Promise<void>;
export declare function completeNotificationDelivery(notificationId: string, key: string, claimToken: string, kind?: "channel" | "event"): Promise<void>;
export declare function markNotificationDeliveryUncertain(notificationId: string, key: string, claimToken: string, kind?: "channel" | "event"): Promise<void>;
export declare function releaseNotificationDelivery(notificationId: string, key: string, claimToken: string, kind?: "channel" | "event"): Promise<void>;
export declare function listCompletedNotificationChannels(notificationId: string): Promise<string[]>;
export declare function updateDeliveredChannels(id: string, channels: string[]): Promise<void>;
export declare function addDeliveredChannel(id: string, channel: string): Promise<void>;
export interface ListNotificationsOptions {
    unreadOnly?: boolean;
    limit?: number;
    before?: string;
}
export declare function hasNotificationWithMetadata(owner: string, expected: Record<string, string | number | boolean>): Promise<boolean>;
export declare function listNotifications(owner: string, options?: ListNotificationsOptions): Promise<Notification[]>;
export declare function countUnread(owner: string): Promise<number>;
export declare function markNotificationRead(id: string, owner: string): Promise<boolean>;
export declare function markAllNotificationsRead(owner: string): Promise<number>;
export declare function deleteNotification(id: string, owner: string): Promise<boolean>;