/**
 * SVG Icon Loader Utility
 * Loads SVG icons from files and caches them for performance
 */
interface IconOptions {
    width?: number;
    height?: number;
    className?: string;
}
declare class IconLoader {
    private basePath;
    private cache;
    private loading;
    constructor(basePath?: string);
    /**
     * Load an SVG icon
     * @param {string} name - Icon name (without .svg extension)
     * @param {Object} options - Icon options
     * @param {number} options.width - Icon width (default: 16)
     * @param {number} options.height - Icon height (default: 16)
     * @param {string} options.className - Additional CSS class
     * @returns {Promise<string>} SVG string
     */
    load(name: string, options?: IconOptions): Promise<string>;
    /**
     * Load SVG synchronously (uses cached version or returns placeholder)
     * @param {string} name - Icon name
     * @param {Object} options - Icon options
     * @returns {string} SVG string
     */
    loadSync(name: string, options?: IconOptions): string;
    /**
     * Fetch SVG from server
     */
    fetchSvg(name: string): Promise<string>;
    /**
     * Format SVG with custom attributes
     */
    formatSvg(svg: string, { width, height, className }: Required<IconOptions>): string;
    /**
     * Get fallback icon (box)
     */
    getFallbackIcon(width: number, height: number): string;
    /**
     * Preload multiple icons
     * @param {string[]} names - Array of icon names
     */
    preload(names: string[]): Promise<void>;
    /**
     * Clear cache
     */
    clearCache(): void;
    /**
     * Get cache size
     */
    getCacheSize(): number;
}
declare const iconLoader: IconLoader;
export { iconLoader, IconLoader };