method Worker.prototype.once
#Worker.prototype.once(event: string,listener: (...args: any[]) => void,): this
#Worker.prototype.once(event: "disconnect",listener: () => void,): this
#Worker.prototype.once(event: "error",listener: (error: Error) => void,): this
#Worker.prototype.once(event: "exit",listener: (code: number,signal: string,) => void,): this
#Worker.prototype.once(event: "message",listener: (message: any,handle: net.Socket | net.Server,) => void,): this