import type * as model from '../model';
import type { Json, JsonMap } from '../util';
export interface PushMessageOptions {
    /**
     * The icon of the push message
     */
    icon?: string;
    /**
     * The badge for iOS or Web Push devices
     */
    badge?: string | number;
    /**
     * The number for iOS and Android devices which will occur on the top right of
     * the icon
     */
    nativeBadge?: number;
    /**
     * The web badge is the small monochrome icon which will occur on small devices
     * (web push only)
     */
    webBadge?: string;
    /**
     * An image of the push message (web push only)
     */
    image?: string;
    /**
     * Actions that the user can invoke and interact with (web push only)
     */
    actions?: JsonMap;
    /**
     * Defines which direction the text should be displayed (web push only)
     */
    dir?: string;
    /**
     * The sound of an incoming push message (web push only)
     */
    sound?: string;
    /**
     * The tag of the push message where messages are going to be collected (web push only)
     */
    tag?: string;
    /**
     * The vibrate property specifies a vibration pattern for the device's
     * vibration
     */
    vibrate?: number[];
    /**
     * The renotify option makes new notifications vibrate and play a sound
     * (web push only)
     */
    renotify?: boolean;
    /**
     * The requireInteraction option lets stay the push message until the
     * user interacts with it (web push only)
     */
    requireInteraction?: boolean;
    /**
     * The silent option shows a new notification but prevents default behavior
     * (web push only)
     */
    silent?: boolean;
    /**
     * The data object which can contain additional information.
     */
    data?: Json;
}
export interface PushMessage extends PushMessageOptions {
}
/**
 * PushMessages are used to send a push notification to a set of devices
 */
export declare class PushMessage {
    /**
     * Set of devices
     */
    devices: Set<model.Device>;
    /**
     * Push notification message
     */
    message?: string;
    /**
     * Push notification subject
     */
    subject?: string;
    /**
     * Push message will be used to send a push notification to a set of devices
     *
     * @param [devices] The Set of device references which
     * will receive this push notification.
     * @param message The message of the push notification.
     * @param subject The subject of the push notification.
     * @param [options] The options object which can contain additional information and data
     * @param [badge] The badge for iOS or Web Push devices
     * @param [data] The data object which can contain additional information.
     */
    constructor(devices: model.Device | Set<model.Device> | Iterable<model.Device>, message?: string, subject?: string, options?: string | PushMessageOptions, badge?: string | number, data?: Json);
    /**
     * Instantiates a set of devices from the given parameter
     * @param devices
     * @return
     */
    private static initDevices;
    /**
     * Adds a new object to the set of devices
     * @param device will be added to the device set to receive the push notification
     * @return
     */
    addDevice(device: model.Device): void;
    /**
     * Converts the push message to JSON
     * @return
     */
    toJSON(): JsonMap;
}