import { DocusaurusAISearchConfig } from '../types';
export interface SearchStep {
    step: 'requesting-keywords' | 'keywords-received' | 'searching' | 'documents-found' | 'generating-answer' | 'multi-source-search' | 'aggregating-results' | 'complete';
    message: string;
    progress: number;
    details?: {
        keywords?: string[];
        documentsFound?: number;
        documentLinks?: string[];
        sourcesFound?: {
            [key: string]: number;
        };
    };
}
export interface DocumentContent {
    url: string;
    title: string;
    content: string;
}
export interface MultiSourceResult {
    source: 'documentation' | 'github' | 'blog' | 'changelog';
    title: string;
    url: string;
    content: string;
    metadata: {
        weight: number;
        timestamp?: string;
        author?: string;
        type?: string;
    };
}
export interface AggregatedSearchResult {
    answer: string;
    sources: MultiSourceResult[];
    aggregationMetrics: {
        totalSources: number;
        sourceBreakdown: Record<string, number>;
        confidenceScore: number;
    };
    validation?: {
        confidence?: string;
        isNotFound?: boolean;
        hasSources?: boolean;
        score?: number;
        qualityMetrics?: any;
        warnings?: string[];
    };
    followUpQuestions?: string[];
    sessionId?: string;
}
export interface ConversationTurn {
    query: string;
    answer: string;
    timestamp: Date;
    queryAnalysis?: any;
}
export interface SessionInfo {
    sessionId: string;
    createdAt: Date;
    lastActiveAt: Date;
}
export declare class SearchOrchestrator {
    private logger;
    private config;
    private onProgress?;
    private recaptchaSiteKey?;
    private abortController;
    private pendingOperations;
    private isDestroyed;
    private currentSessionId;
    constructor(config: DocusaurusAISearchConfig, onProgress?: (step: SearchStep) => void);
    /**
     * P3-002: Cancel all pending operations and cleanup resources
     */
    cancelAllOperations(): void;
    /**
     * P3-002: Check if operations should be aborted due to race conditions
     */
    private checkAborted;
    /**
     * P3-002: Track pending operation and handle completion
     */
    private trackOperation;
    /**
     * Main orchestration method that performs AI-powered search
     * Week 2 Enhancement: Returns validation data along with answer and documents
     */
    performAISearch(query: string, algoliaClient: any, algoliaIndex: string): Promise<{
        answer: string;
        documents: DocumentContent[];
        validation?: {
            confidence?: string;
            isNotFound?: boolean;
            hasSources?: boolean;
            score?: number;
            qualityMetrics?: any;
            warnings?: string[];
        };
        queryAnalysis?: {
            type?: string;
            intent?: string;
            complexity?: string;
        };
        enhancement?: {
            recursiveEnhanced?: boolean;
            documentsAnalyzed?: number;
            fineTunedModelUsed?: boolean;
        };
    }>;
    /**
     * P3-002: Enhanced get search keywords from backend with AbortController
     */
    private getKeywordsFromBackend;
    /**
     * P3-002: Enhanced generate answer from backend using RAG with AbortController
     * Week 2 Enhancement: Returns both answer and validation data
     */
    private generateAnswerFromBackend;
    /**
     * Expand query with variations and synonyms for better search results
     */
    private expandQuery;
    /**
     * P3-002: Enhanced perform a single search query with query expansion and abort checking
     */
    private performSingleSearch;
    /**
     * Extract document content from search results with enhanced context
     */
    private extractDocuments;
    /**
     * Update progress
     */
    private updateProgress;
    /**
     * Stage 2: Enhanced AI search with multi-source capabilities
     */
    performMultiSourceAISearch(query: string, searchClient: any, indexName: string, multiSourceConfig?: {
        github?: {
            repository: string;
        };
        blog?: {
            url: string;
        };
        changelog?: {
            url: string;
        };
    }): Promise<AggregatedSearchResult>;
    /**
     * Stage 2: Multi-source search backend integration
     */
    private performMultiSourceSearch;
    /**
     * Week 6: Initialize a new conversation session
     */
    private initializeSession;
    /**
     * Week 6: Get current session ID
     */
    getSessionId(): string | null;
    /**
     * Week 6: Get conversation history for current session
     */
    getConversationHistory(): Promise<ConversationTurn[]>;
    /**
     * Week 6: Enhanced AI search with conversational memory
     */
    performConversationalAISearch(query: string, algoliaClient: any, algoliaIndex: string): Promise<{
        answer: string;
        documents: DocumentContent[];
        validation?: {
            confidence?: string;
            isNotFound?: boolean;
            hasSources?: boolean;
            score?: number;
            qualityMetrics?: any;
            warnings?: string[];
        };
        queryAnalysis?: {
            type?: string;
            intent?: string;
            complexity?: string;
        };
        followUpQuestions?: string[];
        sessionId?: string;
    }>;
    /**
     * Week 6: Generate answer with conversational memory
     */
    private generateAnswerWithMemory;
    /**
     * Week 6: Generate follow-up questions for a given query and answer
     */
    generateFollowUpQuestions(query: string, answer: string, queryAnalysis?: any): Promise<string[]>;
}