/**
 * Base class for all errors.
 */
export declare class AbstractError extends Error {
    /**
     * The HTTP status code to associate with this error.
     */
    status: number;
    /**
     * An application-unique, readable error code.
     */
    code: string;
    /**
     * Constructs a new {@linkcode AbstractError}.
     * @param code - The main identification code for the error.
     * @param message - The main error message.
     * @param status - The HTTP status code to return.
     */
    constructor(code: string, message: string, status: number);
    /**
     * Checks if an object is an instance of {@linkcode AbstractError}, or one of its subclasses.
     * @param error - The object to check.
     * @param allowForeignModule - Only check for similar looking error codes.
     * You're going to want to use this if you're dealing with a setup where
     * multiple versions of js-utils are loaded.
     * @returns `true` if the object is an {@linkcode AbstractError}, `false` otherwise.
     */
    static isAbstractError(error: unknown, allowForeignModule?: boolean): error is AbstractError;
}