import { Database as BunDatabase } from "bun:sqlite";
import type { Library, Page, CrawlJob } from "../types.js";
export declare class Database {
    private db;
    private hasColumn;
    private ensureColumn;
    init(): void;
    /** Expose raw DB for search engine direct queries */
    raw(): BunDatabase;
    private migrate;
    addLibrary(lib: {
        id: string;
        name: string;
        displayName: string;
        url: string;
        version?: string;
        crawlConfig?: object;
    }): import("bun:sqlite").Changes;
    listLibraries(status?: string): Library[];
    getLibraryByName(name: string): Library | undefined;
    getLibraryById(id: string): Library | undefined;
    removeLibrary(id: string): import("bun:sqlite").Changes;
    renameLibrary(id: string, name: string, displayName: string): import("bun:sqlite").Changes;
    updateLibraryStatus(id: string, status: string): import("bun:sqlite").Changes;
    updateLibraryStats(id: string, pageCount: number, chunkCount: number): import("bun:sqlite").Changes;
    upsertPage(page: {
        id: string;
        libraryId: string;
        url: string;
        path: string;
        title: string;
        contentMarkdown: string;
        contentHash: string;
        headings: object[];
    }): string;
    getPage(opts: {
        url?: string;
        library?: string;
        path?: string;
    }): Page | undefined;
    getPagesByLibrary(libraryId: string): Page[];
    insertChunks(chunks: Array<{
        id: string;
        pageId: string;
        libraryId: string;
        content: string;
        headingContext: string;
        chunkIndex: number;
        tokenCount: number;
        hasCodeBlock: boolean;
    }>): void;
    deleteChunksByPage(pageId: string): void;
    createJob(job: {
        id: string;
        libraryId: string;
        sessionId?: string;
    }): CrawlJob;
    getJob(id: string): CrawlJob | undefined;
    updateJob(id: string, updates: Partial<Pick<CrawlJob, "status" | "pages_discovered" | "pages_crawled" | "pages_failed" | "chunks_created" | "error_message" | "started_at" | "completed_at">>): void;
    listJobs(libraryId?: string): CrawlJob[];
}