/**
 * Format validation errors for human-readable feedback to LLM
 */
export declare function formatValidationErrors(errors: string[]): string;
/**
 * Create a retry prompt with validation error context
 */
export declare function createRetryPrompt(originalPrompt: string, errors: string[], attemptNumber: number): string;
/**
 * Format error for display in terminal UI
 */
export declare function formatErrorForDisplay(error: string | Error): string;
/**
 * Create user-friendly error messages
 */
export declare function createUserFriendlyError(context: string, error: unknown): string;