export interface HistogramSkeletonProps {
    bins?: number;
}
/**
 * Loading state for the Histogram widget. Mirrors Bar's skeleton structure
 * — a grid of bars (bin-shaped silhouette, anchored to the bottom) plus a
 * legend stub — so the placeholder reads consistently with Bar.
 */
export declare function HistogramSkeleton({ bins }: HistogramSkeletonProps): import("react/jsx-runtime").JSX.Element;