import type { PoolConfig } from 'pg';
/**
 * Shared database configuration for test environments
 * Uses environment variables with sensible defaults for local development
 */
export declare const testDbConfig: PoolConfig;
/**
 * Database schema name for queries
 * Allows tests to run in isolated schemas if needed
 */
export declare const testDbSchema: string;
/**
 * Helper to build fully-qualified table name
 * @param tableName - Unqualified table name
 * @returns Fully qualified table name with schema prefix
 */
export declare function qualifyTable(tableName: string): string;