import { TranslationRequest, TranslationResult, AIProvider, AIProviderConfig } from './types';
import { ProviderCapability } from './translation-quality-router';
/**
 * 自动选择策略
 */
export declare enum AutoSelectionStrategy {
    QUALITY_FIRST = "quality_first",// 质量优先
    COST_EFFICIENT = "cost_efficient",// 成本优先
    SPEED_OPTIMIZED = "speed_optimized",// 速度优先
    BALANCED = "balanced",// 平衡策略
    ADAPTIVE_LEARNING = "adaptive_learning"
}
/**
 * 服务选择配置
 */
export interface AutoServiceSelectionConfig {
    strategy: AutoSelectionStrategy;
    fallbackChain: AIProvider[];
    qualityThreshold: number;
    costLimit: number;
    speedRequirement: number;
    enableLearning: boolean;
    enableA_B_Testing: boolean;
    diversityFactor: number;
    confidenceThreshold: number;
}
/**
 * 智能翻译服务自动选择器
 */
export declare class IntelligentTranslationSelector {
    private config;
    private loadBalancer;
    private qualityAssessor;
    private routingEngine;
    private providers;
    private providerConfigs;
    private learningData;
    private providerPerformance;
    private abTestConfig;
    private abTestResults;
    private selectionStats;
    constructor(config?: Partial<AutoServiceSelectionConfig>);
    /**
     * 添加翻译服务提供商
     */
    addProvider(providerId: string, config: AIProviderConfig, capability?: Partial<ProviderCapability>): void;
    /**
     * 智能选择并执行翻译
     */
    translate(request: TranslationRequest, userPreferences?: {
        qualityRequirement?: 'basic' | 'high' | 'premium';
        urgency?: 'low' | 'medium' | 'high' | 'critical';
        costSensitivity?: 'low' | 'medium' | 'high';
        domain?: string;
    }): Promise<TranslationResult & {
        selectedProvider: AIProvider;
        selectionReason: string[];
        confidence: number;
    }>;
    /**
     * 分析请求特征
     */
    private analyzeRequest;
    /**
     * 选择最佳服务提供商
     */
    private selectBestProvider;
    /**
     * 基于质量选择
     */
    private selectByQuality;
    /**
     * 基于成本选择
     */
    private selectByCost;
    /**
     * 基于速度选择
     */
    private selectBySpeed;
    /**
     * 平衡选择
     */
    private selectBalanced;
    /**
     * 基于学习的选择
     */
    private selectWithLearning;
    /**
     * A/B测试选择
     */
    private selectForABTest;
    /**
     * 预测服务商性能
     */
    private predictPerformance;
    /**
     * 计算请求因子相似度
     */
    private calculateSimilarity;
    /**
     * 执行翻译
     */
    private executeTranslation;
    /**
     * 故障转移执行
     */
    private executeFailover;
    /**
     * 记录学习数据
     */
    private recordLearningData;
    /**
     * 更新统计信息
     */
    private updateStatistics;
    /**
     * 记录用户反馈
     */
    recordUserFeedback(translationId: string, originalText: string, translatedText: string, providerId: string, rating: number): void;
    /**
     * 获取选择器统计信息
     */
    getStats(): {
        totalSelections: number;
        averageQuality: number;
        learningDataSize: number;
        providerStats: {
            totalRequests: number;
            successfulRequests: number;
            averageQuality: number;
            averageSpeed: number;
            averageCost: number;
            userSatisfaction: number;
            reliabilityScore: number;
            learningConfidence: number;
            providerId: string;
            providerType: AIProvider;
        }[];
        strategyStats: {
            strategy: AutoSelectionStrategy;
            count: number;
            percentage: number;
        }[];
        abTestEnabled: boolean;
        routingEngineStats: {
            totalRequests: number;
            providerStats: {
                provider: string;
                usageCount: number;
                usagePercent: number;
                averageQuality: number;
                qualityTrend: "improving" | "stable" | "declining";
            }[];
        };
    };
    /**
     * 切换选择策略
     */
    setStrategy(strategy: AutoSelectionStrategy): void;
    /**
     * 启用/禁用A/B测试
     */
    toggleABTest(enabled: boolean): void;
    /**
     * 获取默认语言对配置
     */
    private getDefaultLanguagePairs;
    /**
     * 获取默认领域专长
     */
    private getDefaultDomainExpertise;
    /**
     * 获取默认文本类型偏好
     */
    private getDefaultTextTypePreference;
    /**
     * 获取默认定价
     */
    private getDefaultPricing;
    /**
     * 获取默认速度等级
     */
    private getDefaultSpeedTier;
}
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