import type { SidebarDivider as ISidebarDivider, SidebarItem as ISidebarItem, SidebarSectionHeader as ISidebarSectionHeader, NormalizedSidebarGroup } from '@rspress/core';
export declare const isSidebarDivider: (item: NormalizedSidebarGroup | ISidebarItem | ISidebarDivider | ISidebarSectionHeader) => item is ISidebarDivider;
export declare const isSidebarSingleFile: (item: ISidebarItem | NormalizedSidebarGroup) => boolean;
export declare const isSidebarSectionHeader: (item: NormalizedSidebarGroup | ISidebarItem | ISidebarDivider | ISidebarSectionHeader) => item is ISidebarSectionHeader;
export declare const isSidebarGroup: (item: NormalizedSidebarGroup | ISidebarItem | ISidebarDivider | ISidebarSectionHeader) => item is NormalizedSidebarGroup;