import { BoundingBox, Context, Element } from "../base";
/**
 * This arranges all it's element on a vertical line using the width
 * of its bounding box.
 */
export declare class Block implements Element {
    protected elements: Element[];
    /**
     * Create a new block layout.
     * @param elements list of elements to layout
     */
    constructor(elements: Element[]);
    width(_context: Context, box: BoundingBox): number;
    height(context: Context, box: BoundingBox): number;
    draw(context: Context, box: BoundingBox): void;
    protected boxes(context: Context, box: BoundingBox): BoundingBox[];
}