try {
            // The cast is safe because tryAdvance puts a T into `holder`.
            action.accept(function.apply(uncheckedCastNullableTToT(holder), index++));
            return true;
          } finally {
            holder = null;
          }
        }
        return false;
      }

      @Override
      Splitr createSplit(Spliterator<T> from, long i) {

     * @throws IllegalStateException if no implementation is found
     */
    private static XmlService getService() {
        return Holder.INSTANCE;
    }

    /** Holder class for lazy initialization of the default instance */
    private static final class Holder {
        static final XmlService INSTANCE = ServiceLoader.load(XmlService.class)
                .findFirst()

  @GwtIncompatible // SerializableTester
  public void testSerializationIndirectSelfReference() {
    Multiset<MultisetHolder> multiset = HashMultiset.create();
    MultisetHolder holder = new MultisetHolder(multiset);
    multiset.add(holder, 2);
    Multiset<MultisetHolder> copy = SerializableTester.reserialize(multiset);
    assertEquals(2, copy.size());
    assertSame(copy, copy.iterator().next().member);
  }

  /*

    /**
     * Constructs a new FtpAuthenticationHolder.
     */
    public FtpAuthenticationHolder() {
        // Default constructor
    }

    /**
     * Adds an FtpAuthentication object to the holder.
     * @param auth The FtpAuthentication object to add.
     */
    public void add(final FtpAuthentication auth) {
        if (auth != null) {
            authenticationList.add(auth);
        }
    }

  @GwtIncompatible // SerializableTester
  public void testSerializationIndirectSelfReference() {
    Multiset<MultisetHolder> multiset = HashMultiset.create();
    MultisetHolder holder = new MultisetHolder(multiset);
    multiset.add(holder, 2);
    Multiset<MultisetHolder> copy = SerializableTester.reserialize(multiset);
    assertEquals(2, copy.size());
    assertSame(copy, copy.iterator().next().member);
  }

  /*

 * the License.
 */

package com.google.common.primitives;

import com.google.common.annotations.GwtCompatible;

/**
 * Holder for web specializations of methods of {@code Doubles}. Intended to be empty for regular
 * version.
 */
@GwtCompatible

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.base;

import org.jspecify.annotations.Nullable;

/** Holder for extra methods of {@code Objects} only in web. */
public abstract class ExtraObjectsMethodsForWeb {
  public static boolean equal(@Nullable String a, @Nullable String b) {
    return a == b;
  }

 * the License.
 */

package com.google.common.primitives;

import com.google.common.annotations.GwtCompatible;

/**
 * Holder for web specializations of methods of {@code Doubles}. Intended to be empty for regular
 * version.
 */
@GwtCompatible

 * the License.
 */

package com.google.common.base;

import com.google.common.annotations.GwtCompatible;

/**
 * Holder for extra methods of {@code Objects} only in web. Intended to be empty for regular
 * version.
 */
@GwtCompatible

 Copyright <YEAR> <COPYRIGHT HOLDER>

 Permission is hereby granted, free  of charge, to any person obtaining
 a  copy  of this  software  and  associated  documentation files  (the
 "Software"), to  deal in  the Software without  restriction, including
 without limitation  the rights to  use, copy, modify,  merge, publish,
 distribute,  sublicense, and/or sell  copies of  the Software,  and to
 permit persons to whom the Software  is furnished to do so, subject to