import type { ColumnsOption } from '../model/columns';
/**
 * Apply native CSS masonry layout using CSS Grid with `grid-template-rows: masonry`.
 *
 * This is an experimental CSS feature whose specification is still settling, so
 * it is only ever applied after an explicit `CSS.supports()` check.
 *
 * When `columns` is supplied the track list becomes explicit; a breakpoint map
 * is resolved against the container's current width, and re-resolved whenever
 * the caller re-applies on resize.
 */
export declare function applyCssMasonry(container: HTMLElement, gutter: number, minColWidth: number, columns?: ColumnsOption): void;
/**
 * Remove CSS masonry styles from a container.
 */
export declare function removeCssMasonry(container: HTMLElement): void;