}
        return GenericArrayType.class.cast(type).getGenericComponentType();
    }

    /**
     * Returns the element type of a parameterized {@link Collection}.
     * <p>
     * If <code>type</code> is not a parameterized {@link Collection}, <code>null</code> is returned.
     * </p>
     *
     * @param type
     *            the type to analyze

import org.jspecify.annotations.Nullable;

/**
 * An iterator that does not support {@link #remove}.
 *
 * <p>{@code UnmodifiableIterator} is used primarily in conjunction with implementations of {@link
 * ImmutableCollection}, such as {@link ImmutableList}. You can, however, convert an existing
 * iterator to an {@code UnmodifiableIterator} using {@link Iterators#unmodifiableIterator}.
 *
 * @author Jared Levy
 * @since 2.0
 */

import java.util.Enumeration;
import java.util.Iterator;

/**
 * Adapter to convert an {@link Iterator} to an {@link Enumeration}.
 *
 * @author higa
 * @param <T> the element type
 */
public class IteratorEnumeration<T> implements Enumeration<T> {

    /** 反復子 */
    protected final Iterator<T> iterator;

    /**
     * Creates an {@link IteratorEnumeration}.
     *

 *       the cache.
 * </ul>
 *
 * <p>A lookup is specifically defined as an invocation of one of the methods {@link
 * LoadingCache#get(Object)}, {@link LoadingCache#getUnchecked(Object)}, {@link Cache#get(Object,
 * Callable)}, or {@link LoadingCache#getAll(Iterable)}.
 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
public final class CacheStats {

 *       the cache.
 * </ul>
 *
 * <p>A lookup is specifically defined as an invocation of one of the methods {@link
 * LoadingCache#get(Object)}, {@link LoadingCache#getUnchecked(Object)}, {@link Cache#get(Object,
 * Callable)}, or {@link LoadingCache#getAll(Iterable)}.
 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
public final class CacheStats {

 * basic text processing based on UnicodeSet use the ICU4J UnicodeSetSpanner.
 *
 * <p>Example usages:
 *
 * <pre>
 *   String trimmed = {@link #whitespace() whitespace()}.{@link #trimFrom trimFrom}(userInput);
 *   if ({@link #ascii() ascii()}.{@link #matchesAllOf matchesAllOf}(s)) { ... }</pre>
 *
 * <p>See the Guava User Guide article on <a

  }

  /**
   * Splits {@code sequence} into string components and makes them available through an {@link
   * Iterator}, which may be lazily evaluated. If you want an eagerly computed {@link List}, use
   * {@link #splitToList(CharSequence)}. Java 8+ users may prefer {@link #splitToStream} instead.
   *
   * @param sequence the sequence of characters to split

 */

package com.google.common.graph;

import com.google.errorprone.annotations.CanIgnoreReturnValue;

/**
 * A subinterface of {@link Network} which adds mutation methods. When mutation is not required,
 * users should prefer the {@link Network} interface.
 *
 * @author James Sexton
 * @author Joshua O'Madadhain
 * @param <N> Node parameter type
 * @param <E> Edge parameter type
 * @since 20.0
 */

 * bimap containing the same entries as this bimap but with reversed keys and values.
 *
 * <h3>Implementations</h3>
 *
 * <ul>
 *   <li>{@link ImmutableBiMap}
 *   <li>{@link HashBiMap}
 *   <li>{@link EnumBiMap}
 *   <li>{@link EnumHashBiMap}
 * </ul>
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#bimap">{@code BiMap}</a>.
 *

    assertNotNull(getList().listIterator(getNumElements()));
    // TODO: run the iterator through ListIteratorTester
  }

  /**
   * Returns the {@link Method} instance for {@link #testListIterator_fullyModifiable()} so that
   * tests of {@link CopyOnWriteArraySet} can suppress it with {@code
   * FeatureSpecificTestSuiteBuilder.suppressing()} until <a