import type { CloseEdgeType, ReachType, TouchStartType } from '../types';
/**
 * 获取接触边缘类型
 */
export declare const getReachType: (initialTouchState: TouchStartType, horizontalCloseEdge: CloseEdgeType, verticalCloseEdge: CloseEdgeType, reachPosition: ReachType) => ReachType;
/**
 * 计算接触边缘位置
 * @param position - x/y
 * @param scale
 * @param size - width/height
 * @param innerSize - innerWidth/innerHeight
 * @return [CloseEdgeType, position]
 */
export declare const computePositionEdge: (position: number, scale: number, size: number, innerSize: number) => readonly [CloseEdgeType, number];