export interface OnSendNotificationSuccess {
    (message: string): void;
}
export interface OnSendNotificationError {
    (error: string): void;
}
export interface IPushNotificationService {
    sendNotification(token: string, title: string, body: string, badge?: number, sound?: string, icon?: string, data?: {
        [k: string]: any;
    }, onSendNotificationSuccess?: OnSendNotificationSuccess, onSendNotificationError?: OnSendNotificationError): Promise<void>;
    sendNotificationToMore(tokens: string[], title: string, body: string, badge?: number, sound?: string, icon?: string, data?: {
        [k: string]: any;
    }, onSendNotificationSuccess?: OnSendNotificationSuccess, onSendNotificationError?: OnSendNotificationError): Promise<string>;
    sendNotificationToTopic(topic: string, title: string, body: string, badge?: number, sound?: string, icon?: string, data?: {
        [k: string]: any;
    }, onSendNotificationSuccess?: OnSendNotificationSuccess, onSendNotificationError?: OnSendNotificationError): Promise<void>;
    subscribeToTopic(tokens: string[], topic: string, onSendNotificationSuccess?: OnSendNotificationSuccess, onSendNotificationError?: OnSendNotificationError): Promise<void>;
    unsubscribeFromTopic(tokens: string[], topic: string, onSendNotificationSuccess?: OnSendNotificationSuccess, onSendNotificationError?: OnSendNotificationError): Promise<void>;
}