/**
 * FileSystemTemplateService
 *
 * Loads template files from the filesystem.
 * Matches the pattern from @plyaz/notifications/templates/FileSystemTranslationService
 *
 * Template Path Format: {locale}/{category}/{templateId}.md
 * Example: en/invoices/standard-invoice.md
 */
import type { TemplateService } from '@plyaz/types/storage';
import type { StorageFileSystemTemplateServiceConfig } from '@plyaz/types';
/**
 * FileSystemTemplateService
 *
 * Loads markdown templates from filesystem with frontmatter
 * Used for PDF generation (invoices, tax documents, receipts, etc.)
 *
 * @example
 * ```typescript
 * const templateService = new FileSystemTemplateService({
 *   basePath: join(__dirname, '../templates'),
 *   logger: myLogger
 * });
 *
 * const template = await templateService.getTemplate('en/invoices/standard-invoice.md');
 * ```
 */
export declare class FileSystemTemplateService implements TemplateService {
    private readonly basePath;
    private readonly logger?;
    constructor(config?: StorageFileSystemTemplateServiceConfig);
    /**
     * Get template content by path
     *
     * @param path - Template path (locale/category/templateId.md)
     * @returns Template content (markdown with frontmatter)
     * @throws StoragePackageError if template not found
     *
     * @example
     * ```typescript
     * const content = await service.getTemplate('en/invoices/standard-invoice.md');
     * ```
     */
    getTemplate(path: string): Promise<string>;
    /**
     * Check if template exists
     *
     * @param path - Template path
     * @returns true if template exists
     *
     * @example
     * ```typescript
     * const exists = await service.hasTemplate('en/invoices/standard-invoice.md');
     * ```
     */
    hasTemplate(path: string): Promise<boolean>;
    /**
     * Get base path for templates
     */
    getBasePath(): string;
}