import { Engine, ModelMesh, Vector3 } from "@galacean/engine";
export declare class GizmoMesh {
    private static _tempQuat;
    private static _tempVect;
    static createCircle(engine: Engine, center?: Vector3, normal?: Vector3, startPoint?: Vector3, thetaLength?: number): ModelMesh;
    static updateCircle(mesh: ModelMesh, startPoint?: Vector3, normal?: Vector3, thetaLength?: number, center?: Vector3, 
    /**
     * segments per half Pi
     */
    segmentFactor?: number): void;
    static createCircleTube(engine: Engine, arc?: number, radius?: number, tubeRadius?: number, tubularSegments?: number, radialSegments?: number): ModelMesh;
    static updateCircleTube(mesh: ModelMesh, arc?: number, radius?: number, tubeRadius?: number, tubularSegments?: number, radialSegments?: number): void;
    static createLine(engine: Engine, points: Array<Vector3>): ModelMesh;
    static updateLine(mesh: ModelMesh, points: Array<Vector3>): void;
    private static _initialize;
}