/**
 * Database Testing Helper for In-Memory Database Management - TypeScript Implementation
 *
 * This class provides centralized database testing utilities using qtests mockModels
 * instead of external database dependencies. It focuses solely on database testing concerns.
 */
interface MockModels {
    clearAllModels?: () => void;
    mockApiKeys?: any[];
    mockLogs?: any[];
    [key: string]: any;
}
/**
 * Database Testing Helper for In-Memory Database Management
 *
 * This class provides centralized database testing utilities using qtests mockModels
 * instead of external database dependencies. It eliminates duplicate beforeEach/afterEach
 * patterns across storage tests while maintaining qtests zero-dependency approach.
 */
declare class DatabaseTestHelper {
    private models;
    private isSetup;
    constructor();
    /**
     * Sets up in-memory database models and clears existing data
     */
    setup(): Promise<void>;
    /**
     * Tears down database connections and clears model state
     */
    teardown(): Promise<void>;
    /**
     * Creates a complete test suite setup with automatic cleanup
     */
    static createSuite(): DatabaseTestHelper;
    /**
     * Gets mock models instance
     */
    getModels(): MockModels | null;
    /**
     * Checks if helper is properly set up
     */
    isReady(): boolean;
    /**
     * Creates a test entity in the mock database
     */
    createTestEntity(modelName: string, data: any): Promise<any>;
    /**
     * Finds test entities by criteria
     */
    findTestEntities(modelName: string, criteria?: any): Promise<any[]>;
}
export { DatabaseTestHelper };
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