import type { HierarchicalSpanAndAnnotation } from '../types';
interface UseSpanExpansionOptions {
    initialExpandedSpans?: Set<string>;
    persistKey?: string;
}
export declare function useSpanExpansion(options?: UseSpanExpansionOptions): {
    expandedSpans: Set<string>;
    toggleSpanExpansion: (spanId: string) => void;
    isSpanExpanded: (spanId: string) => boolean;
    collapseAll: () => void;
    expandAll: (spans: HierarchicalSpanAndAnnotation[]) => void;
    getVisibleSpans: (spans: HierarchicalSpanAndAnnotation[]) => HierarchicalSpanAndAnnotation[];
};
export {};