import { Container3D } from "./container3D";
/**
 * Class used to create a stack panel in 3D on XY plane
 */
export declare class StackPanel3D extends Container3D {
    private _isVertical;
    /**
     * Gets or sets a boolean indicating if the stack panel is vertical or horizontal (horizontal by default)
     */
    get isVertical(): boolean;
    set isVertical(value: boolean);
    /**
     * Gets or sets the distance between elements
     */
    margin: number;
    /**
     * Creates new StackPanel
     * @param isVertical
     */
    constructor(isVertical?: boolean);
    protected _arrangeChildren(): void;
}