import { ErrorCode, AuthErrorResponse } from '@tern-secure/types';

declare class TernSecureError extends Error {
    code: ErrorCode;
    constructor(code: ErrorCode, message?: string);
}
/**
 * Handles Firebase authentication errors with multiple fallback mechanisms
 */
declare function handleFirebaseAuthError(error: unknown): AuthErrorResponse;
/**
 * Type guard to check if a response is an AuthErrorResponse
 */
declare function isAuthErrorResponse(response: unknown): response is AuthErrorResponse;
declare function getErrorAlertVariant(error: any | undefined): "destructive" | "default";

export { TernSecureError, getErrorAlertVariant, handleFirebaseAuthError, isAuthErrorResponse };