import { default as React } from 'react';
export interface LoadingOverlayProps {
    /** Whether the overlay is visible */
    isLoading: boolean;
    /** Loading message */
    message?: string;
    /** Overlay mode */
    mode?: 'fullscreen' | 'container';
    /** Blur background */
    blur?: boolean;
    /** Spinner size */
    spinnerSize?: 'small' | 'default' | 'large' | 'extraLarge';
    /** Additional className */
    className?: string;
}
/**
 * LoadingOverlay Component
 *
 * Full-screen or container loading overlay with spinner and optional message.
 * Useful for async operations, page loads, and data fetching.
 *
 * @example
 * ```tsx
 * <LoadingOverlay
 *   isLoading={isSubmitting}
 *   message="Saving changes..."
 * />
 * ```
 *
 * @example
 * ```tsx
 * <div className="relative">
 *   <LoadingOverlay
 *     isLoading={isLoading}
 *     mode="container"
 *     blur
 *   />
 *   <YourContent />
 * </div>
 * ```
 */
export declare const LoadingOverlay: React.FC<LoadingOverlayProps>;
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