/**
 * 데이터베이스 추상화 인터페이스
 * 의존성 역전 원칙(DIP) 적용
 */
export interface PreparedStatement {
    all(...params: unknown[]): unknown[];
    get(...params: unknown[]): unknown;
    run(...params: unknown[]): {
        changes: number;
        lastInsertRowid: number;
    };
}
export interface DatabaseConnection {
    prepare(sql: string): PreparedStatement;
    exec(sql: string): void;
    close(): void;
    isOpen(): boolean;
}
export interface VectorSearchRepository {
    search(query: VectorSearchQuery): Promise<VectorSearchResult[]>;
    hybridSearch(query: VectorSearchQuery): Promise<VectorSearchResult[]>;
    getIndexStatus(): VectorIndexStatus;
    rebuildIndex(): Promise<boolean>;
    getTableName(provider: string): string;
    checkVecAvailability(): boolean;
}
export interface VectorIndexRepository {
    getIndexStatus(): VectorIndexStatus;
    rebuildIndex(): Promise<boolean>;
    checkAvailability(): boolean;
}
export interface VectorPerformanceRepository {
    runPerformanceTest(queryVector: number[], iterations: number): Promise<PerformanceTestResult>;
}
import type { PerformanceTestResult, VectorIndexStatus, VectorSearchQuery, VectorSearchResult } from '../types/vector-search.types';
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