import { AbstractError } from "./AbstractError.js";
/**
 * Used when an unknown, non-{@linkcode !Error}-like object was caught and converted into a
 * real {@linkcode !Error} instance.
 * Like when you catch a `throw "boom"`, we will convert the caught `"boom"`
 * into an {@linkcode UnknownError}.
 * To enrich an {@linkcode !Error}-like object that was caught, use the {@linkcode InternalError}.
 */
export declare class UnknownError extends AbstractError {
    /**
     * Constructs a new {@linkcode UnknownError}.
     * @param message - The main error message.
     * @param status - The HTTP status code to return.
     */
    constructor(message: string, status?: number);
}