/**
 * DashboardThumbnailPlaceholder
 *
 * A placeholder component shown when a dashboard thumbnail doesn't exist
 * but the thumbnail feature is enabled. Displays a simple grid icon
 * with "No preview" text.
 */
export interface DashboardThumbnailPlaceholderProps {
    /** Additional CSS classes */
    className?: string;
}
export declare function DashboardThumbnailPlaceholder({ className }: DashboardThumbnailPlaceholderProps): import("react").JSX.Element;
export default DashboardThumbnailPlaceholder;