}
    }

    /**
     * Associates {@code key} with {@code value} in the built map. If the same key is put more than
     * once, {@link #buildOrThrow} will fail, while {@link #buildKeepingLast} will keep the last
     * value put for that key.
     */
    @CanIgnoreReturnValue
    public Builder<K, V> put(K key, V value) {
      ensureCapacity(size + 1);
      Entry<K, V> entry = entryOf(key, value);

   * ClosingFuture} pipeline.
   *
   * @param <V> the type of the final value of a successful pipeline
   * @see ClosingFuture#finishToValueAndCloser(ValueAndCloserConsumer, Executor)
   */
  public interface ValueAndCloserConsumer<V extends @Nullable Object> {

    /** Accepts a {@link ValueAndCloser} for the last step in a {@link ClosingFuture} pipeline. */

     *
     * @return 最後の要素
     */
    public E removeLast() {
        if (isEmpty()) {
            throw new NoSuchElementException();
        }
        final E last = header.previous.element;
        header.previous.remove();
        return last;
    }

    /**
     * 先頭に追加します。
     *
     * @param element
     *            追加するオブジェクト
     */
    public void addFirst(final E element) {

constraints.Min.message         = {item} must be greater than or equal to {value}.
constraints.NotNull.message     = {item} may not be null.
constraints.Null.message        = {item} must be null.
constraints.Past.message        = {item} must be in the past.
constraints.Pattern.message     = {item} must match "{regexp}".
constraints.Size.message        = Size of {item} must be between {min} and {max}.

# ----------------------------------------------------------

constraints.Min.message         = {item} must be greater than or equal to {value}.
constraints.NotNull.message     = {item} may not be null.
constraints.Null.message        = {item} must be null.
constraints.Past.message        = {item} must be in the past.
constraints.Pattern.message     = {item} must match "{regexp}".
constraints.Size.message        = Size of {item} must be between {min} and {max}.

# ----------------------------------------------------------

    checkArgument(
        bytes.length == 4,
        "Byte array has invalid length for an IPv4 address: %s != 4.",
        bytes.length);

    // Given a 4-byte array, this cast should always succeed.
    return (Inet4Address) bytesToInetAddress(bytes, null);
  }

  /**
   * Returns the {@link InetAddress} having the given string representation.
   *

      }
    }

    /**
     * Associates {@code key} with {@code value} in the built map. If the same key is put more than
     * once, {@link #buildOrThrow} will fail, while {@link #buildKeepingLast} will keep the last
     * value put for that key.
     */
    @CanIgnoreReturnValue
    public Builder<K, V> put(K key, V value) {
      ensureCapacity(size + 1);
      checkEntryNotNull(key, value);

pkg go/ast, const Bad ObjKind
pkg go/ast, const Con ObjKind
pkg go/ast, const FilterFuncDuplicates MergeMode
pkg go/ast, const FilterImportDuplicates MergeMode
pkg go/ast, const FilterUnassociatedComments MergeMode
pkg go/ast, const Fun ObjKind
pkg go/ast, const Lbl ObjKind
pkg go/ast, const Pkg ObjKind
pkg go/ast, const RECV ChanDir
pkg go/ast, const SEND ChanDir

  // with respect to the current state of the instance.
  // +optional
  // +kubebuilder:validation:Minimum=0
  optional int64 observedGeneration = 3;

  // lastTransitionTime is the last time the condition transitioned from one status to another.
  // This should be when the underlying condition changed.  If that is not known, then using the time when the API field changed is acceptable.
  // +required

 * https://lauri.võsandi.com/2017/03/yubikey-for-ssh-auth.html
 *
 * Using PKCS11 support in the JDK.
 * https://tersesystems.com/blog/2018/09/08/keymanagers-and-keystores/
 *
 * Install OpenSC separately. On a mac `brew cast install opensc`.
 */
@SuppressSignatureCheck
class YubikeyClientAuth {
  fun run() {
    // The typical PKCS11 slot, may vary with different hardware.
    val slot = 0