import type { AxiosError } from 'axios';
import type { ResponseError } from '../types/index.js';
export declare const isNetworkError: (error: AxiosError | null) => boolean;
export declare const getApiErrorMessage: (error: unknown, fallback?: string) => string;
export declare const hasError: (error: Error | null) => boolean;
export declare const isTimeoutError: (error: AxiosError<any> | null) => boolean;
export declare const isNotFoundError: (error: AxiosError<any> | null) => boolean;
interface BackendErrorHandlerProps {
    error: ResponseError | null;
    fallbackMessage?: string;
}
export declare const backendErrorHandler: ({ error, fallbackMessage }: BackendErrorHandlerProps) => {
    code: null;
    message: string;
    formatted: string;
} | {
    code: string;
    message: string;
    formatted: string;
};
export {};