import { ChannelToken, ClientOptions, IntegrationClient } from './internal/client.js';
export type Installation = {
    public_key: string;
    auth_token: string;
};
export type Token = ChannelToken & {
    endpoint?: string;
    keys?: Record<string, string>;
};
export type WebPushClientOptions = ClientOptions & {
    serviceWorkerPath?: string;
};
export declare class WebPushClient extends IntegrationClient<Installation, Token> {
    #private;
    constructor(options: WebPushClientOptions);
    /**
     * Checks if the current user has an active push subscription that is registered by MagicBell.
     */
    isSubscribed(): Promise<boolean>;
    /**
     * Request permission to send push notifications and post the subscription to the MagicBell API.
     */
    subscribe(): Promise<void>;
    unsubscribe(): Promise<void>;
    getAuthToken(): Promise<string>;
}
/**
 * Check if service workers and push notifications are supported in this browser
 */
export declare function isSupported(): boolean;
/**
 * Gets the registered service worker, and attempts to create one if no registration exists
 */
export declare function registerServiceWorker(options?: {
    path?: string;
} | string): Promise<ServiceWorkerRegistration>;