transient volatile int busy;

  /** Package-private default constructor */
  Striped64() {}

  /** CASes the base field. */
  final boolean casBase(long cmp, long val) {
    return UNSAFE.compareAndSwapLong(this, BASE_OFFSET, cmp, val);
  }

  /** CASes the busy field from 0 to 1 to acquire lock. */
  final boolean casBusy() {

     * Before upgrading to 1.2, <strong>delete all DaemonSet alpha-version resources</strong>. If you do not want to disrupt the pods, use kubectl delete daemonset <name>
--cascade=false. Then create DaemonSet Beta resources after upgrading to 1.2.
     * Client (kubectl) and server versions must match (both 1.1 or both 1.2) for any
DaemonSet-related operations.
     * Behavior change: