/**
 * MiniSearch-based Text Store
 *
 * Provides full-text search using MiniSearch with:
 * - BM25 scoring algorithm
 * - CamelCase-aware tokenization for code
 * - Synonym expansion for better query matching
 * - Persistence to SQLite
 * - Per-project document isolation
 *
 * Zero external dependencies beyond MiniSearch - works immediately.
 */
import { ITextStore, TextDocument, TextSearchResult, Synonym } from '../interfaces';
export declare class MiniSearchTextStore implements ITextStore {
    private dataDir;
    private flushIntervalSeconds;
    private db;
    private miniSearch;
    private synonymMap;
    private isDirty;
    private flushTimer;
    private documentMap;
    private isLoaded;
    private loadPromise;
    constructor(dataDir: string, flushIntervalSeconds?: number);
    /**
     * Ensure documents are loaded before search operations
     * Uses lazy loading to avoid blocking MCP server startup
     */
    private ensureLoaded;
    /**
     * Custom tokenizer that handles CamelCase, snake_case, and kebab-case
     * for better code search
     */
    private tokenize;
    private createMiniSearch;
    private initializeSchema;
    private loadFromDatabase;
    private startFlushTimer;
    index(doc: TextDocument): Promise<void>;
    indexMany(docs: TextDocument[]): Promise<void>;
    search(query: string, projectId: string, limit?: number): Promise<TextSearchResult[]>;
    searchWithSynonyms(query: string, projectId: string, limit?: number): Promise<TextSearchResult[]>;
    private expandQueryWithSynonyms;
    remove(id: string): Promise<boolean>;
    removeByProject(projectId: string): Promise<number>;
    addSynonym(term: string, synonyms: string[], projectId?: string): Promise<void>;
    removeSynonym(term: string, projectId?: string): Promise<boolean>;
    getSynonyms(projectId?: string): Promise<Synonym[]>;
    clearSynonyms(projectId?: string): Promise<void>;
    count(projectId: string): Promise<number>;
    flush(): Promise<void>;
    close(): Promise<void>;
    /**
     * Get default code-related synonyms for bootstrapping
     */
    static getDefaultCodeSynonyms(): Array<{
        term: string;
        synonyms: string[];
    }>;
}
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