import * as _angular_core from '@angular/core';
import { WrIconName } from 'ngwr/icon';

/**
 * @license
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/thekhegay/ngwr/blob/main/LICENSE
 */

/** A single navigable entry. */
interface WrSidebarItem {
    readonly title: string;
    /** Router commands array — passed to `[routerLink]`. */
    readonly url: readonly (string | number)[];
    readonly icon?: WrIconName;
    /** Optional trailing badge text (e.g. `'new'`, `'12'`). */
    readonly badge?: string;
    /** Render as disabled (no navigation). */
    readonly disabled?: boolean;
}
/** Expandable group of items. */
interface WrSidebarGroup {
    readonly title: string;
    readonly icon?: WrIconName;
    readonly children: readonly WrSidebarItem[];
    /** Open by default. @default false */
    readonly defaultOpen?: boolean;
}
/** Either a direct-link item or an expandable group. */
type WrSidebarEntry = WrSidebarItem | WrSidebarGroup;

declare function isGroup(entry: WrSidebarEntry): entry is WrSidebarGroup;
/**
 * Data-driven sidebar nav. Pass `[entries]` — either flat
 * `WrSidebarItem`s (direct links) or `WrSidebarGroup`s (expand to reveal
 * child items). Active route auto-expands its containing group.
 *
 * @example
 * ```html
 * <wr-sidebar [entries]="[
 *   { title: 'Dashboard', icon: 'home', url: ['/dashboard'] },
 *   {
 *     title: 'Settings',
 *     icon: 'cog',
 *     children: [
 *       { title: 'Profile', url: ['/settings', 'profile'] },
 *       { title: 'Billing', url: ['/settings', 'billing'] }
 *     ]
 *   }
 * ]" />
 * ```
 *
 * @see https://ngwr.dev/components/sidebar
 */
declare class WrSidebar {
    readonly entries: _angular_core.InputSignal<readonly WrSidebarEntry[]>;
    /** Default icon for entries without one. @default 'folder' */
    readonly defaultGroupIcon: _angular_core.InputSignal<string>;
    /** Default icon for items without one. @default 'caret-forward' */
    readonly defaultItemIcon: _angular_core.InputSignal<string>;
    /** Auto-expand the group containing the active route. @default true */
    readonly autoExpand: _angular_core.InputSignalWithTransform<boolean, any>;
    protected readonly isGroup: typeof isGroup;
    private readonly opened;
    private readonly router;
    private readonly currentUrl;
    /** Last URL we auto-expanded — prevents re-opening a group the user collapsed. */
    private lastAutoUrl;
    constructor();
    protected isOpen(title: string): boolean;
    /** Stable id for the group body, referenced by the toggle's `aria-controls`. */
    protected groupBodyId(title: string): string;
    protected toggleGroup(title: string): void;
    protected asItem(entry: WrSidebarEntry): WrSidebarItem;
    protected asGroup(entry: WrSidebarEntry): WrSidebarGroup;
    private findGroupForUrl;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<WrSidebar, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<WrSidebar, "wr-sidebar", never, { "entries": { "alias": "entries"; "required": false; "isSignal": true; }; "defaultGroupIcon": { "alias": "defaultGroupIcon"; "required": false; "isSignal": true; }; "defaultItemIcon": { "alias": "defaultItemIcon"; "required": false; "isSignal": true; }; "autoExpand": { "alias": "autoExpand"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}

export { WrSidebar };
export type { WrSidebarEntry, WrSidebarGroup, WrSidebarItem };