export declare const DEFAULT_ERROR_MESSAGES: Record<string, string>;
export type ErrorCategory = keyof typeof DEFAULT_ERROR_MESSAGES;
export declare function getUserFriendlyError(error: Error | unknown, customMessages?: Record<string, string>): string;
export declare function categorizeError(errorMessage: string): ErrorCategory;
export declare function createErrorResponse(userMessage: string, metadata?: {
    errorCode?: string;
    correlationId?: string;
    suggestedActions?: string[];
}): {
    error: string;
    metadata?: Record<string, unknown>;
};