/**
 * Parameters for creating an app error.
 *
 * @property message - Error message
 * @property extraInfo - Additional error details
 * @property status - HTTP status code (default: 500)
 */
export type CreateAppErrorParams = {
    message: string;
    extraInfo?: string;
    status?: number;
};
/**
 * Error with an HTTP status code and optional extra information intended to be
 * used by the error handler defined in `src/functions/index.ts`.
 *
 * @property extraInfo - Additional error details
 * @property status - HTTP status code
 */
export declare class AppError extends Error {
    extraInfo?: string;
    status: number;
    constructor({ message, extraInfo, status }: CreateAppErrorParams);
}
/**
 * Create an app error object with status code and extra information.
 */
export declare const createAppError: (params: CreateAppErrorParams) => AppError;
/**
 * Error object used when interactions with the AMO API led to errors.
 */
export declare class AMOError extends Error {
    constructor(message: string);
}