/**
 * Writer that places all output on an {@link Appendable} target. If the target is {@link Flushable}
 * or {@link Closeable}, flush()es and close()s will also be delegated to the target.
 *
 * @author Alan Green
 * @author Sebastian Kanthak
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
final class AppendableWriter extends Writer {
  private final Appendable target;
  private boolean closed;

  /**

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- kubeadm: removed the deprecated flag `--experimental-output`, please use the flag `--output` instead that serves the same purpose. Affected commands are: `kubeadm config images list`, `kubeadm token list`, `kubeadm upgrade plan`, `kubeadm certs check-expiration`. ([#126914](https://github.com/kubernetes/kubernetes/pull/126914), [@carlory](https://github.com/carlory)) [SIG Cluster Lifecycle]

  be removed in a future release) and added a new flag ''--output" that serves the
  same purpose. Affected commands are - "kubeadm config images list", "kubeadm token
  list", "kubeadm upgrade plan", "kubeadm certs check-expiration".' ([#124393](https://github.com/kubernetes/kubernetes/pull/124393), [@carlory](https://github.com/carlory)) [SIG Cluster Lifecycle]
- ACTION REQUIRED for custom scheduler plugin developers: