/**
 * Basic camera controls for viewport
 *
 * Simplified version - just provides orbit-like functionality
 */
export declare class ViewportControls {
    private camera;
    private container;
    private isDragging;
    private previousMousePosition;
    private rotation;
    private distance;
    constructor(camera: any, container: HTMLElement);
    private setupControls;
    private onMouseDown;
    private onMouseMove;
    private onMouseUp;
    private onWheel;
    private updateCameraPosition;
    /**
     * Reset camera to default position
     */
    reset(): void;
    /**
     * Dispose controls
     */
    dispose(): void;
}
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