import type { MeshDeliveryStage, MeshReceiptKind } from "./mesh-chat.js";
export type NotificationUrgency = "low" | "default" | "high" | "critical";
export type NotificationAudience = "device" | "account" | "broadcast";
export type NotificationStatus = "queued" | "sent" | "delivered" | "read" | "expired";
export interface NotificationAnnouncement {
    profile: "mesh.notification.v1";
    recipientId: string;
    senderId: string;
    notificationId: string;
    urgency: NotificationUrgency;
    audience: NotificationAudience;
    objectPath: string;
    collapseKey?: string | null;
    expiresAtMs?: number;
}
export declare function notificationStreamId(recipientId: string): string;
export declare function notificationAnnouncementTopic(recipientId: string): string;
export declare function notificationReceiptTopic(recipientId: string): string;
export declare function notificationObjectPath(recipientId: string, senderId: string, notificationId: string): string;
export declare function createNotificationAnnouncement(recipientId: string, senderId: string, notificationId: string, urgency: NotificationUrgency, options?: {
    audience?: NotificationAudience;
    collapseKey?: string | null;
    expiresAtMs?: number;
}): NotificationAnnouncement;
export declare function notificationStatusFromMesh(stage: MeshDeliveryStage, options?: {
    expired?: boolean;
    receiptKind?: MeshReceiptKind;
}): NotificationStatus;
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