/**
 * Chapter file to database synchronization
 * Handles Markdown chapter files → database, and DB → Markdown reverse sync.
 */
import type { MCPClient } from '../core/database.js';
export interface ChapterSyncOptions {
    /** When true, overwrite DB data from file even if a conflict is detected. */
    forceFile?: boolean;
}
export declare class ChapterSync {
    private mcpClient;
    private projectId;
    private projectPath?;
    private readonly syncStateRepo;
    constructor(mcpClient: MCPClient, projectId: number, projectPath?: string | undefined);
    /**
     * Sync a chapter markdown file to the database.
     *
     * @param filePath - absolute path to the Markdown chapter file
     * @param options  - optional flags; set `forceFile: true` to suppress conflict errors
     */
    syncChapterFile(filePath: string, options?: ChapterSyncOptions): Promise<void>;
    /**
     * Export a chapter from the database back to a Markdown file (reverse sync).
     * Reconstructs YAML frontmatter from DB data and writes to `<projectPath>/chapters/`.
     * Does not overwrite existing chapter body content — body defaults to empty if no
     * file_path is recorded.
     *
     * @param chapterId - numeric DB id of the chapter row
     * @returns absolute path to the written file
     */
    exportToFile(chapterId: number): Promise<string>;
    /**
     * Extract chapter number from filename
     * Supports formats: 01.md, 01-title.md, chapter-01.md, etc.
     */
    private extractChapterNumber;
    /**
     * Parse YAML frontmatter from markdown
     */
    private parseChapterMetadata;
    /**
     * Count words in text (excluding frontmatter)
     */
    private countWords;
    /**
     * Insert or update chapter record
     */
    private upsertChapter;
    /**
     * Delete a chapter from database (when file is deleted)
     */
    deleteChapter(chapterNumber: number): Promise<void>;
    /**
     * Generate AI summary for a chapter
     * This would be called after chapter is synced
     */
    generateChapterSummary(chapterId: number): Promise<string>;
}
//# sourceMappingURL=chapter-sync.d.ts.map