import { GalleryColumns, GalleryGutter, GalleryItem, WindowSize } from './types';
/**
 * Calculate aspect ratio from width and height
 */
export declare const calculateAspectRatio: (width: number, height: number) => number;
/**
 * Normalize all items to ensure they have aspect ratio
 */
export declare const normalizeItems: (items: GalleryItem[]) => GalleryItem[];
/**
 * Calculate width for an item given a target height and aspect ratio
 */
export declare const calculateWidth: (height: number, aspectRatio: number) => number;
/**
 * Calculate height for an item given a target width and aspect ratio
 */
export declare const calculateHeight: (width: number, aspectRatio: number) => number;
/**
 * Determine how many columns to use based on responsive settings
 */
export declare const getColumnsCount: (columns: GalleryColumns | undefined, windowSize: WindowSize) => number;
/**
 * Determine how many columns to use based on responsive settings
 */
export declare const getGutter: (gutter: GalleryGutter | undefined, windowSize: WindowSize) => number;
export declare const debounce: (func: Function, delay: number) => (...args: any[]) => void;