/**
 * PDF Template Generation for Headers and Footers
 *
 * This module provides reusable templates for PDF headers and footers with logo support.
 * It handles logo integration, positioning, and consistent styling across all PDF documents.
 *
 * @module
 */
/**
 * PDF Templates utility class for generating header and footer HTML templates
 *
 * Provides static methods to generate consistent header and footer templates
 * with optional logo integration and proper positioning for PDF generation.
 *
 * @class PdfTemplates
 * @example
 * ```typescript
 * const headerWithLogo = PdfTemplates.generateHeaderTemplate(logoBase64);
 * const footer = PdfTemplates.generateFooterTemplate();
 * ```
 */
export declare class PdfTemplates {
    /**
     * Generates HTML template for PDF headers with optional logo
     *
     * Creates a right-aligned header with logo support. The template uses flexbox
     * for proper positioning and maintains consistent spacing with document margins.
     *
     * @param {string} [logoBase64] - Optional base64 encoded logo image
     * @returns {string} HTML template string for the header
     * @example
     * ```typescript
     * // Header with logo
     * const headerWithLogo = PdfTemplates.generateHeaderTemplate('iVBORw0KGgoAAAANS...');
     *
     * // Header without logo (empty)
     * const emptyHeader = PdfTemplates.generateHeaderTemplate();
     * ```
     */
    static generateHeaderTemplate(logoBase64?: string): string;
    /**
     * Generates HTML template for PDF footers with page numbers and optional version
     *
     * Creates a footer with page numbers on the right. If a version is provided,
     * it displays on the left in a smaller font.
     *
     * @param {string} [version] - Optional version string from frontmatter metadata
     * @returns {string} HTML template string for the footer
     * @example
     * ```typescript
     * // Footer with version
     * const footer = PdfTemplates.generateFooterTemplate('1.2.0');
     * // Results in: "v1.2.0" (left) and "Pg: 1 / 10" (right)
     *
     * // Footer without version (backward compatible)
     * const simpleFooter = PdfTemplates.generateFooterTemplate();
     * // Results in: "Pg: 1 / 10" (right-aligned)
     * ```
     */
    static generateFooterTemplate(version?: string): string;
    /**
     * Generates a custom header template with text and optional logo
     *
     * Creates a header with both text content and logo, useful for documents
     * that need title information in addition to branding.
     *
     * @param {string} headerText - Text to display in the header
     * @param {string} [logoBase64] - Optional base64 encoded logo image
     * @returns {string} HTML template string for the custom header
     * @example
     * ```typescript
     * const customHeader = PdfTemplates.generateCustomHeaderTemplate(
     *   'Confidential Agreement',
     *   logoBase64
     * );
     * ```
     */
    static generateCustomHeaderTemplate(headerText: string, logoBase64?: string): string;
    /**
     * Generates a custom footer template with text and page numbers
     *
     * Creates a footer with custom text on the left and page numbers on the right.
     *
     * @param {string} footerText - Text to display in the footer
     * @returns {string} HTML template string for the custom footer
     * @example
     * ```typescript
     * const customFooter = PdfTemplates.generateCustomFooterTemplate('© 2024 Company Name');
     * ```
     */
    static generateCustomFooterTemplate(footerText: string): string;
}
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