import { Port, PortPlacement, AbsolutePortPlacement } from '../../../types/core';
/**
 * Check if two placements are equal (full comparison including all fields)
 */
export declare const arePlacementsEqual: (prev: PortPlacement | AbsolutePortPlacement | undefined | null, next: PortPlacement | AbsolutePortPlacement | undefined | null) => boolean;
/**
 * Check if port placement has changed
 */
export declare const hasPortPlacementChanged: (prev: Port | undefined | null, next: Port | undefined | null) => boolean;