export interface FormErrors {
    fieldErrors: Record<string, string>;
    formErrors: string[];
}
export declare class ValidationError extends Error {
    fieldErrors: Record<string, string>;
    formErrors: string[];
    constructor(message: string, errors: FormErrors);
}
/**
 * Extract form and field level errors from a 400 response, if present.
 */
export declare function getFormErrors(response: Response): Promise<FormErrors | null>;