import { type ParsedContent, type DocumentSection } from "./utils/markdown-parser";
interface TranslationOptions {
    model?: string;
    maxTokens?: number;
    projectRoot?: string;
}
interface TranslationChunk extends DocumentSection {
    index?: number;
}
export declare class DocumentTranslator {
    private openai;
    private apiConfig;
    private translationCache;
    private projectRoot;
    constructor(options?: TranslationOptions);
    /**
     * Translate entire document
     */
    translateDocument(filePath: string, targetLang: string): Promise<string>;
    /**
     * Translate single text chunk
     */
    translateChunk(chunk: TranslationChunk, targetLang: string, index: number): Promise<TranslationChunk>;
    /**
     * Build system prompt
     */
    buildSystemPrompt(targetLang: string): string;
    /**
     * Build translation prompt
     */
    buildTranslationPrompt(content: string, targetLang: string): string;
    /**
     * Call translation API (using OpenAI SDK) with retry mechanism
     */
    callTranslationAPI(prompt: string, targetLang: string, retryCount?: number): Promise<string>;
    /**
     * Segment document content into translatable chunks - by heading strategy
     */
    segmentContent(parsedContent: ParsedContent): TranslationChunk[];
    /**
     * Merge small chunks to reduce API call count
     */
    private mergeSmallChunks;
    /**
     * Batch translate all documents in directory
     */
    translateDirectory(sourceDir: string, targetDir: string, targetLang: string): Promise<void>;
}
export default DocumentTranslator;