import type { IconifyInfo } from '@iconify/types';
export type IconSetCollections = Record<string, IconifyInfo>;
export type GroupedCollections = Record<string, IconSetCollections>;
/**
 * Group collections by their category field.
 * Sets without a category are placed under "Uncategorized".
 */
export declare function groupByCategory(collections: IconSetCollections): GroupedCollections;
/**
 * Filter collections by allowed prefixes.
 * Supports partial prefix matching: a prefix ending with '-' matches any
 * collection whose prefix starts with that string (e.g. 'mdi-' matches 'mdi-light').
 * Returns all collections if allowedPrefixes is empty or undefined.
 */
export declare function filterByAllowedPrefixes(collections: IconSetCollections, allowedPrefixes?: string[]): IconSetCollections;
/**
 * Convert a category name to a safe key for use in Strapi option names.
 * e.g. "UI 16px / 32px" → "UI_16px_32px"
 */
export declare function slugifyCategory(category: string): string;
/**
 * Sort category names in a logical display order.
 */
export declare function sortCategories(categories: string[]): string[];