/**
 * FlexSearch-based Search Bar Component
 * Fast, memory-efficient full-text search
 */
export interface SearchDocument {
    id: string;
    title: string;
    content: string;
    category?: string;
    tags?: string[];
    url?: string;
    metadata?: Record<string, any>;
}
export interface SearchBarOptions {
    container: HTMLElement | string;
    documents: SearchDocument[];
    placeholder?: string;
    maxResults?: number;
    highlightMatches?: boolean;
    showCategories?: boolean;
    onSelect?: (doc: SearchDocument) => void;
    onSearch?: (query: string, results: SearchDocument[]) => void;
}
export declare class SearchBar {
    private container;
    private options;
    private input;
    private resultsContainer;
    private documents;
    private index;
    private searchIndex;
    constructor(options: SearchBarOptions);
    /**
     * Initialize FlexSearch index
     */
    private initializeIndex;
    /**
     * Perform search using FlexSearch
     */
    private search;
    /**
     * Highlight matches in text
     */
    private highlightText;
    /**
     * Render the search bar
     */
    private render;
    /**
     * Handle search input
     */
    private handleSearch;
    /**
     * Render search results
     */
    private renderResults;
    /**
     * Create result item element
     */
    private createResultItem;
    /**
     * Create content snippet around match
     */
    private createSnippet;
    /**
     * Group results by category
     */
    private groupByCategory;
    /**
     * Clear search
     */
    clear(): void;
    /**
     * Add document to index
     */
    addDocument(doc: SearchDocument): void;
    /**
     * Remove document from index
     */
    removeDocument(id: string): void;
    /**
     * Update documents
     */
    updateDocuments(documents: SearchDocument[]): void;
    /**
     * Destroy component
     */
    destroy(): void;
}