import type { Hotspot } from "./types";
/**
 * Clamps a value between min and max
 */
export declare const clamp: (value: number, min: number, max: number) => number;
/**
 * Converts mouse coordinates to percentage coordinates relative to an element
 */
export declare const getPercentageCoordinates: (clientX: number, clientY: number, element: HTMLElement) => {
    x: number;
    y: number;
};
/**
 * Generates a unique hotspot ID
 */
export declare const generateHotspotId: () => string;
/**
 * Creates a new point hotspot
 */
export declare const createPointHotspot: (x: number, y: number, existingHotspots: Hotspot[]) => Hotspot;
/**
 * Creates a new rectangle hotspot
 */
export declare const createRectangleHotspot: (x: number, y: number, width: number, height: number, existingHotspots: Hotspot[]) => Hotspot;
/**
 * Normalizes hotspot data to ensure type is set
 */
export declare const normalizeHotspot: (hotspot: Hotspot) => Hotspot;
/**
 * Normalizes an array of hotspots
 */
export declare const normalizeHotspots: (hotspots: Hotspot[]) => Hotspot[];
/**
 * Checks if a click target is a marker element
 */
export declare const isMarkerElement: (target: HTMLElement) => boolean;
/**
 * Calculates rectangle bounds from start and current points
 */
export declare const calculateRectangleBounds: (startX: number, startY: number, currentX: number, currentY: number) => {
    x: number;
    y: number;
    width: number;
    height: number;
};
/**
 * Minimum size for a valid rectangle hotspot
 */
export declare const MIN_RECTANGLE_SIZE = 1;
/**
 * Checks if a rectangle has valid dimensions
 */
export declare const isValidRectangle: (width: number, height: number) => boolean;