/**
 * @fileoverview PDF Generator using Puppeteer
 * @module generator/PdfGenerator
 */
import { MarkdownParser } from '../parser/index.js';
import type { ParsedDocument, PdfOptions } from '../types/index.js';
/**
 * PDF Generator class that converts Markdown to PDF using Puppeteer
 *
 * @example
 * ```typescript
 * const generator = new PdfGenerator();
 * await generator.initialize();
 * await generator.generatePdf('/path/to/file.md', '/path/to/output.pdf');
 * await generator.close();
 * ```
 */
export declare class PdfGenerator {
    /** Puppeteer browser instance */
    private browser;
    /** Markdown parser instance */
    private parser;
    /** Whether the generator has been initialized */
    private initialized;
    /**
     * Create a new PdfGenerator instance
     */
    constructor();
    /**
     * Initialize the PDF generator (launches browser)
     * Must be called before generating PDFs
     */
    initialize(): Promise<void>;
    /**
     * Close the PDF generator and release resources
     */
    close(): Promise<void>;
    /**
     * Ensure the generator is initialized
     * @throws Error if not initialized
     */
    private ensureInitialized;
    /**
     * Build the complete HTML document for PDF generation
     * @param content - Rendered HTML content
     * @param frontMatter - Document frontmatter
     * @param options - PDF options
     * @param tocHtml - Optional table of contents HTML
     * @returns Complete HTML document string
     */
    private buildHtmlDocument;
    /**
     * Build paginated content with headers and footers on each page
     */
    private buildPaginatedContent;
    /**
     * Generate header template for PDF
     * @param frontMatter - Document frontmatter
     * @param theme - Theme for styling
     * @returns HTML template string for header
     */
    private generateHeaderTemplate;
    /**
     * Generate footer template for PDF with page numbers
     * @param theme - Theme for styling
     * @returns HTML template string for footer
     */
    private generateFooterTemplate;
    /**
     * Generate PDF from a parsed document
     * @param document - Parsed Markdown document
     * @param outputPath - Path for the output PDF file
     * @param options - PDF generation options
     */
    generateFromDocument(document: ParsedDocument, outputPath: string, options?: PdfOptions): Promise<void>;
    /**
     * Generate PDF from Markdown content string
     * @param markdownContent - Markdown content to convert
     * @param outputPath - Path for the output PDF file
     * @param options - PDF generation options
     */
    generateFromContent(markdownContent: string, outputPath: string, options?: PdfOptions): Promise<void>;
    /**
     * Get the Markdown parser instance
     * @returns The parser instance
     */
    getParser(): MarkdownParser;
}
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