import type { Item, Layout } from '../types';
/**
 * Determines if a sidebar item should be treated as a "folder",
 * i.e. a collapsible group, depending on the layout, its type,
 * whether it has children, and special slot rules.
 *
 * @param layout - The sidebar layout ('client' or 'reference')
 * @param item - The sidebar item to check
 * @param hasEmptySlot - True if there is an empty slot to display as a group (client layout only)
 * @returns True if the item should be rendered as a folder/group node
 */
export declare const isSidebarFolder: (layout: Layout, item: Item, hasEmptySlot: boolean, hideOperationDefaultExamples: boolean) => item is Item & {
    children?: Item[];
};
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