import { TranslationResult, SupportedLanguage } from './types';
/**
 * 紧凑的翻译结果存储
 * 使用更高效的内存布局和数据压缩
 */
export interface CompactTranslationResult {
    t: string;
    sl: number;
    tl: number;
    s: number;
    c: number;
    d: number;
}
/**
 * 优化的翻译结果存储管理器
 */
export declare class OptimizedTranslationStorage {
    private compressionEnabled;
    private useStringInterning;
    private internedStrings;
    private stats;
    constructor(options?: {
        enableCompression?: boolean;
        enableStringInterning?: boolean;
    });
    /**
     * 压缩翻译结果
     */
    compress(result: TranslationResult): CompactTranslationResult;
    /**
     * 解压缩翻译结果
     */
    decompress(compressed: CompactTranslationResult): TranslationResult;
    /**
     * 字符串驻留 - 避免重复存储相同的字符串
     */
    private internString;
    /**
     * 清理驻留字符串池
     */
    private cleanupInternedStrings;
    /**
     * 更新压缩统计
     */
    private updateCompressionStats;
    /**
     * 批量压缩
     */
    compressBatch(results: TranslationResult[]): CompactTranslationResult[];
    /**
     * 批量解压缩
     */
    decompressBatch(compressed: CompactTranslationResult[]): TranslationResult[];
    /**
     * 获取存储统计信息
     */
    getStats(): {
        memorySavedMB: number;
        compressionRatioPercent: number;
        averageCompressionRatio: number;
        originalSize: number;
        compressedSize: number;
        compressionRatio: number;
        internedStrings: number;
    };
    /**
     * 重置统计信息
     */
    resetStats(): void;
    /**
     * 清理存储
     */
    cleanup(): void;
}
/**
 * 内存高效的翻译结果池
 */
export declare class TranslationResultPool {
    private pool;
    private maxPoolSize;
    private storage;
    constructor(maxPoolSize?: number);
    /**
     * 添加结果到池
     */
    add(result: TranslationResult): void;
    /**
     * 批量添加结果
     */
    addBatch(results: TranslationResult[]): void;
    /**
     * 搜索相似的翻译结果
     */
    findSimilar(text: string, targetLanguage: SupportedLanguage, threshold?: number): TranslationResult[];
    /**
     * 计算文本相似度
     */
    private calculateSimilarity;
    /**
     * 获取池统计信息
     */
    getStats(): {
        memorySavedMB: number;
        compressionRatioPercent: number;
        averageCompressionRatio: number;
        originalSize: number;
        compressedSize: number;
        compressionRatio: number;
        internedStrings: number;
        poolSize: number;
        maxPoolSize: number;
        utilizationPercent: number;
    };
    /**
     * 清空池
     */
    clear(): void;
    /**
     * 获取所有结果（解压缩）
     */
    getAllResults(): TranslationResult[];
    /**
     * 获取最近的N个结果
     */
    getRecent(count: number): TranslationResult[];
}
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