/**
 * Error hints for common Postgres error codes
 * Maps error codes to actionable suggestions for users
 */
/**
 * Get an actionable hint for a Postgres error
 * @param code - Postgres error code (e.g., '42P01')
 * @param detail - Error detail message for pattern matching fallback
 * @returns Actionable hint string, or undefined if no hint available
 */
export declare function getErrorHint(code: string | undefined, detail: string | undefined): string | undefined;