import { PortSide } from '../../../types/core';
/**
 * Get the opposite port side
 * Used when dragging to predict where the connection will end
 */
export declare const getOppositeSide: (side: PortSide) => PortSide;
/**
 * Check if two port sides are opposite to each other
 */
export declare const areSidesOpposite: (a: PortSide, b: PortSide) => boolean;
/**
 * Check if a port side is horizontal (left or right)
 */
export declare const isHorizontalSide: (side: PortSide) => boolean;
/**
 * Check if a port side is vertical (top or bottom)
 */
export declare const isVerticalSide: (side: PortSide) => boolean;