export interface NotificationChannel {
    send(notification: Notification): Promise<void>;
}
export interface Notification {
    to: string | string[];
    subject?: string;
    message: string;
    data?: Record<string, unknown>;
    channel: string;
}
export declare abstract class Notifiable {
    abstract via(): string[];
    toLog(): string | undefined;
    toMail(): {
        subject: string;
        body: string;
    } | undefined;
    toDatabase(): Record<string, unknown> | undefined;
}
export declare class LogChannel implements NotificationChannel {
    private logs;
    send(notification: Notification): Promise<void>;
    getLogs(): Notification[];
    clear(): void;
}
export declare class DatabaseChannel implements NotificationChannel {
    private store;
    send(notification: Notification): Promise<void>;
    getAll(): Notification[];
    clear(): void;
}
export declare class NotificationManager {
    private channels;
    registerChannel(name: string, channel: NotificationChannel): this;
    send(notification: Notification): Promise<void>;
    sendMany(notifications: Notification[]): Promise<void>;
    channel(name: string): NotificationChannel | undefined;
}
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