import type { EnhancedTranslationFile, FormatOptions, IFormatHandler, ValidationResult } from "../format.interface.js";
import type { TranslationFile } from "../translate.interface.js";
export declare class XmbHandler implements IFormatHandler {
    private parser;
    private builder;
    constructor();
    canHandle(filePath: string, content?: string): boolean;
    parse(content: string): EnhancedTranslationFile;
    serialize(data: EnhancedTranslationFile, options?: FormatOptions): string;
    getFileExtension(): string;
    validateStructure(data: TranslationFile): ValidationResult;
    /**
     * Generate XTB file content from XMB source for a target language
     */
    generateXtbFromXmb(xmbContent: string, targetLanguage: string, translations: TranslationFile): string;
    private preservePlaceholders;
    private validatePlaceholders;
    /**
     * Extract and validate placeholder information from message text
     */
    private extractPlaceholderInfo;
    /**
     * Validate message integrity by checking placeholder consistency
     */
    validateMessageIntegrity(originalText: string, translatedText: string): ValidationResult;
    private extractMessageMetadata;
    private updateOriginalStructure;
    private reconstructXmbStructure;
    /**
     * Extract text content from mixed XML content (text + elements)
     */
    private extractMixedContent;
}