import { Vector3 } from "@galacean/engine";
import { IXRTrackedPlane } from "@galacean/engine-design";
import { XRTracked } from "../XRTracked";
import { XRPlaneMode } from "./XRPlaneMode";
/**
 * The tracked plane in XR space.
 */
export declare class XRTrackedPlane extends XRTracked implements IXRTrackedPlane {
    /** Whether the detected plane is horizontal or vertical. */
    planeMode: XRPlaneMode;
    /** The points that make up this plane.
     *  Note: These points are in the plane coordinate system,
     *  and their Y coordinates are all zero.
     */
    polygon: Vector3[];
    /**
     * Whether this frame changes the attributes of the plane.
     * Note: Includes `polygon` but no `pose`.
     */
    attributesDirty: boolean;
}