import Component from '@glimmer/component';
import type RouterService from '@ember/routing/router-service';
import type EmberFreestyleService from '../../services/ember-freestyle';
import { type Section, type Subsection } from '../../services/ember-freestyle';
import { TrackedArray, TrackedSet } from 'tracked-built-ins';
export interface FilteredSubsection {
    name: string;
    flatIndex: number;
    isHighlighted: boolean;
    isActive: boolean;
}
export interface FilteredSection {
    section: Section;
    subsections: FilteredSubsection[];
    isExpanded: boolean;
    isSectionActive: boolean;
}
interface FlatSubsectionItem {
    sectionName: string;
    subsectionName: string;
}
interface Signature {
    Args: {
        includeAllOption?: boolean;
    };
}
export default class FreestyleMenu extends Component<Signature> {
    emberFreestyle: EmberFreestyleService;
    router: RouterService;
    includeAllOption: boolean;
    menu: TrackedArray<Section>;
    expandedSections: TrackedSet<string>;
    userCollapsedSections: TrackedSet<string>;
    filterText: string;
    highlightedIndex: number;
    /** Stable prefix for element IDs to avoid collisions */
    elementIdPrefix: string;
    get isFiltering(): boolean;
    get activeDescendantId(): string | undefined;
    /**
     * Sections filtered by search text, with expansion state resolved.
     * Does NOT include highlight/active enrichment — that's in `filteredMenu`.
     */
    get visibleSections(): {
        section: Section;
        subsections: Subsection[];
        isExpanded: boolean;
    }[];
    /**
     * Enriches `visibleSections` with highlight/active state and flat indices
     * for keyboard navigation and scroll spy. Also schedules sidebar
     * auto-scroll when scroll spy is active.
     */
    get filteredMenu(): FilteredSection[];
    get flatSubsectionItems(): FlatSubsectionItem[];
    isSectionExpanded(sectionName: string): boolean;
    onFilterInput(event: Event): void;
    handleKeydown(event: KeyboardEvent): void;
    toggleSection(sectionName: string): void;
    expandSection(sectionName: string): void;
    moveHighlight(direction: 1 | -1): void;
    navigateToHighlighted(): void;
    scrollToSubsection(sectionName: string, subsectionName: string): void;
    scrollHighlightedIntoView(): void;
    scrollActiveItemIntoView(): void;
}
export {};