import { Placement } from '../controllers/placement-controller/index.js';
/**
 * The physical side (`'top'` / `'bottom'` / `'left'` / `'right'`) of a placement,
 * dropping any alignment suffix (for example `'bottom-start'` becomes `'bottom'`).
 * Use for the `PlacementController`'s `onPlacementChange`, whose argument is
 * already a resolved physical placement.
 *
 * @param placement - A resolved (physical) placement value.
 */
export declare function physicalSide(placement: Placement): string;