import { default as React } from 'react';
interface LazyImageProps extends React.ImgHTMLAttributes<HTMLImageElement> {
    placeholderSrc?: string;
    threshold?: number;
}
/**
 * LazyImage component (Memoized)
 * - Implements image lazy loading using IntersectionObserver.
 * - Wrapped with React.memo to prevent unnecessary re-renders.
 * - Falls back to immediate loading if IntersectionObserver is not supported.
 */
declare const LazyImage: React.FC<LazyImageProps>;
export default LazyImage;