code: public AttachResult attach(String namespace, String name, boolean stdin)
        throws ApiException, IOException {
      return attach(namespace, name, null, stdin, false);
    }
docs: Attach to a running AttachResult in a container. If there are multiple containers in the pod,
  uses the first container in the Pod.
  
  @param namespace The namespace of the Pod
  @param name The name of the Pod
  @param stdin If true, pass a stdin stream into the container