/**
 * Events that Pluto Multi App sends to all running XRPKs
 * Subscribe to these events with PMAEventHandler.addEventListener()
 */
export declare enum PMAEventType {
    appAdded = "plutomae-event-app-added",
    appRemoved = "plutomae-event-app-removed",
    conversationUserUpdate = "plutomae-event-conversation-user-update",
    promiseResponse = "plutomae-event-promise-response"
}
/**
 * All events from an XRPK are sent using this type
 * @disclaimer Not intended to be used directly. Use the provided public functions to send events to Pluto Multi App
 * */
export declare const XRPKEventType = "plutomae-xrpk-event";
/**
 * Event descriptions that can be sent to Pluto Multi App from an XRPK
 * @disclaimer These are not event types, but descriptions of events. Use the provided public functions to send events to Pluto Multi App
 */
export declare enum XRPKEventTypeDescription {
    launchXRPK = "launch-xrpk",
    removeXRPK = "remove-xrpk",
    getAppList = "retrieve-app-list"
}
interface AppAddedArgs {
    app: {
        name: string;
        uuid: string;
        deviceId: string;
    };
    currentApps: object;
}
interface AppRemovedArgs {
    app: {
        name: string;
        uuid: string;
    };
    currentApps: object;
}
interface ConversationUserUpdateArgs {
    conversationId: string;
    localUserId: string;
    users: [object];
}
interface Callback {
    (args: AppAddedArgs | AppRemovedArgs | ConversationUserUpdateArgs | null): void;
}
interface Vector3 {
    x: number;
    y: number;
    z: number;
}
interface ModelLoaderData {
    url: string;
    name: string;
    isStatic: boolean;
}
interface AppState {
    appId?: string;
    initialPosition?: Vector3;
    modelLoader?: ModelLoaderData;
}
declare global {
    interface Window {
        AppState: AppState;
    }
}
/**
 * Pluto Multi App Event Handler
 * Use this class to send and receive events to and from Pluto Multi App
 */
export default class PMAEventHandler {
    private _appId?;
    private _eventHandler;
    private _openPromises;
    constructor();
    /**
     * Add an event listenter for Pluto Multi App Events
     * @param type The `PlutoMAEventType` to subscribe to
     * @param callback The callback to run when the event is receieved
     */
    addEventListener(type: PMAEventType, callback: Callback): void;
    /**
     * Request to launch an XRPK in Pluto Multi App
     * @param linkUrl The url of the XRPK app. Must link directly to the file (ie. .wbn file)
     * @param position A vector 3 that tells Pluto Multi App Launcher where to initially position the app once launched (if supported by the app)
     * @returns A promise once a response is receieved from Pluto Multi App
     */
    launchXRPK(linkUrl: string, position: Vector3): Promise<unknown>;
    /**
     * Request to remove an XRPK in Pluto Multi App
     * @param appIdToRemove The app ID of the app to be removed
     * @returns A promise once a response is receieved from Pluto Multi App
     */
    removeXRPK(appIdToRemove: string): Promise<unknown>;
    /**
     * Get the current app list from Pluto Multi App
     * @return A promise that when resolved includes the app list
     * @returns A promise once a response is receieved from Pluto Multi App
     */
    retrieveAppList(): Promise<unknown>;
    /**
     * App State is provided to every app by Pluto Multi App Launcher
     * @returns The App State object, or an empty object if the App State does not exist
     */
    getAppState(): AppState;
    private handleResponse;
    private generateResponseId;
    private isXRPK;
}
export {};