import type { Context } from "../engine_context.js";
import { NeedleXRSession } from "./NeedleXRSession.js";
declare type XRControllerType = "hand" | "controller";
export declare class NeedleXRSync {
    hasState(userId: string | null | undefined): boolean;
    /** Is the left controller or hand tracked */
    isTracking(userId: string | null | undefined, handedness: XRHandedness): boolean | undefined;
    /** Is it hand tracking or a controller */
    getDeviceType(userId: string, handedness: XRHandedness): XRControllerType | undefined | "unknown";
    private readonly context;
    constructor(context: Context);
    destroy(): void;
    private onJoinedRoom;
    private onLeftRoom;
    private onOtherUserJoinedRoom;
    private onOtherUserLeftRoom;
    private _states;
    onUpdate(session: NeedleXRSession): void;
    onExitXR(session: NeedleXRSession): void;
}
export {};