/// <reference types="node" />
/// <reference types="node" />
import { ErrorCode, UpdateType } from '../../Constants';
import type { ProtocolUpdate, ProtocolResponse, ProtocolRequest } from '../ProtocolEvent';
export declare class IOPortOpenedUpdate {
    static fromJson(data: {
        port: number;
    }): IOPortOpenedUpdate;
    static fromBuffer(buffer: Buffer): IOPortOpenedUpdate;
    toBuffer(): Buffer;
    success: boolean;
    readOffset: number;
    data: {
        /**
         * The port number to which the debugging client should connect to read the script's output
         */
        port: number;
        packetLength: number;
        requestId: number;
        errorCode: ErrorCode;
        updateType: UpdateType;
    };
}
export declare function isIOPortOpenedUpdate(event: ProtocolRequest | ProtocolResponse | ProtocolUpdate): event is IOPortOpenedUpdate;