import type { ErrorOptions } from "../custom/index.js";
import { CustomError } from "../custom/index.js";
/**
 * Represents error with the specific code
 * useful in cases when you have keyed-table of errors
 */
export declare class CodeError<T = void> extends CustomError<T> {
    code: number;
    static UNKNOWN_CODE: number;
    /**
     * Parses original unknown error and return CodeError
     * that will have '.code' property
     */
    static parse(error: unknown): CodeError<void>;
    static parse<T>(error: unknown, data: T): CodeError<T>;
    constructor(code: number, message: string | undefined, options?: ErrorOptions<T>);
}
export declare function extractErrorCode(error: unknown): number;