import { Position } from '../../types/core';
/**
 * Apply offset to a position
 */
export declare const applyOffset: (position: Position, offset: Position) => Position;
/**
 * Subtract offset from a position
 */
export declare const subtractOffset: (position: Position, offset: Position) => Position;
/**
 * Calculate preview position by applying offset
 * Returns null if offset is null
 */
export declare const getPreviewPosition: (position: Position, offset: Position | null) => Position | null;
/**
 * Calculate midpoint between two positions
 */
export declare const getMidpoint: (from: Position, to: Position) => Position;
/**
 * Calculate distance between two positions
 */
export declare const getDistance: (from: Position, to: Position) => number;
/**
 * Check if a point is within a threshold distance from a line segment
 */
export declare const isPointNearLineSegment: (point: Position, lineStart: Position, lineEnd: Position, threshold?: number) => boolean;