/**
 * Database Connection Module
 * Handles database connections and validation
 */
import type { IDatabaseConnection } from '../types/database';
/**
 * Build a PostgreSQL connection string from connection details
 */
export declare const buildConnectionString: (config: IDatabaseConnection) => string;
/**
 * Test database connection with comprehensive validation
 */
export declare const testConnection: (config: IDatabaseConnection) => Promise<{
    connected: boolean;
    readOnly: boolean;
    error?: string;
}>;
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