/**
 * The state of an XRSession.
 */
export declare enum XRSessionState {
    /** Not initialized. */
    None = 0,
    /** Initializing session. */
    Initializing = 1,
    /** Initialized but not started. */
    Initialized = 2,
    /** Running. */
    Running = 3,
    /** Paused. */
    Paused = 4
}