export declare class ModelRotateHelper {
    model: any;
    isDragging: boolean;
    isTouching: boolean;
    previousMousePositionX: number;
    previousMousePositionY: number;
    previousTouchPositionX: number;
    previousTouchPositionY: number;
    pageX: number;
    pageY: number;
    angleX: number;
    angleY: number;
    addAngleX: number;
    addAngleY: number;
    rangeleAngleX: Array<number>;
    rangeleAngleY: Array<number>;
    enableRotate: boolean;
    constructor(model: any, rangeAngleX?: Array<number>, rangeAngleY?: Array<number>);
    initEvent(): void;
    toRadians(angle: number): number;
    toDegrees(angle: number): number;
    mouseEvent(): void;
    private modelMouseOut;
    private modelMouseDown;
    private modelMouseUp;
    private modelMouseMove;
    touchEvent(): void;
    private modelTouchStart;
    private modelTouchEnd;
    private modelTouchMove;
    restrictMRAngleX(): boolean;
    restrictMRAngleY(): boolean;
    resetModelPosition(): void;
}