/**
 * Storage interface for PRSense
 */
export interface PRRecord {
    prId: number;
    title: string;
    description: string;
    files: string[];
    textEmbedding: Float32Array;
    diffEmbedding: Float32Array;
    createdAt: number;
}
export interface CheckResult {
    prId: number;
    resultType: 'DUPLICATE' | 'POSSIBLE' | 'UNIQUE';
    originalPrId?: number;
    confidence: number;
    timestamp: number;
}
export interface AnalyticsData {
    summary: {
        totalPRs: number;
        duplicatesFound: number;
        possibleDuplicates: number;
        uniquePRs: number;
        detectionRate: number;
    };
    timeline: Array<{
        date: string;
        duplicates: number;
        possible: number;
        unique: number;
    }>;
}
export interface StorageBackend {
    /**
     * Save a PR and its embeddings
     */
    save(record: PRRecord): Promise<void>;
    /**
     * Save a check result for analytics
     */
    saveCheck(result: CheckResult): Promise<void>;
    /**
     * Get analytics data
     */
    getAnalytics(): Promise<AnalyticsData>;
    /**
     * Save an architectural decision extracted from PR comments (EDM)
     */
    saveDecision?(decision: import('../edm/comments.js').ArchitecturalDecision): Promise<void>;
    /**
     * Search architectural decisions
     */
    searchDecisions?(queryEmbedding: Float32Array, limit: number): Promise<import('../edm/comments.js').ArchitecturalDecision[]>;
    /**
     * Save a codebase text chunk (for RAG)
     */
    saveChunk?(chunk: import('../rag/astChunker.js').CodeChunk & {
        embedding: Float32Array;
    }): Promise<void>;
    /**
     * Search codebase chunks (for RAG)
     */
    searchChunks?(queryEmbedding: Float32Array, limit: number): Promise<Array<import('../rag/astChunker.js').CodeChunk & {
        embedding: Float32Array;
        score: number;
    }>>;
    /**
     * Get a PR by ID
     */
    get(prId: number): Promise<PRRecord | null>;
    /**
     * Get all PRs (for search)
     */
    getAll(): Promise<PRRecord[]>;
    /**
     * Search for similar PRs (basic implementation)
     */
    search(embedding: Float32Array, limit: number): Promise<Array<{
        prId: number;
        score: number;
    }>>;
    /**
     * Delete a PR
     */
    delete(prId: number): Promise<void>;
    /**
     * Close storage connection
     */
    close(): Promise<void>;
}
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