*
 * @author Kevin Bourrillion
 * @since 2.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
@SuppressWarnings("AvoidObjectArrays")
public final class ObjectArrays {

  private ObjectArrays() {}

  /**
   * Returns a new array of the given length with the specified component type.
   *
   * @param type the component type
   * @param length the length of the new array
   */

 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
@SuppressWarnings("AvoidObjectArrays")
public final class ObjectArrays {

  private ObjectArrays() {}

  /**
   * Returns a new array of the given length with the specified component type.
   *
   * @param type the component type
   * @param length the length of the new array
   */

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ObjectArrays;
import com.google.common.collect.testing.ListTestSuiteBuilder;
import com.google.common.collect.testing.SampleElements;
import com.google.common.collect.testing.TestListGenerator;

import static java.nio.charset.StandardCharsets.UTF_8;
import static java.nio.file.LinkOption.NOFOLLOW_LINKS;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ObjectArrays;
import com.google.common.jimfs.Configuration;
import com.google.common.jimfs.Feature;
import com.google.common.jimfs.Jimfs;
import java.io.IOException;
import java.nio.file.FileAlreadyExistsException;

import static java.nio.charset.StandardCharsets.UTF_8;
import static java.nio.file.LinkOption.NOFOLLOW_LINKS;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ObjectArrays;
import com.google.common.jimfs.Configuration;
import com.google.common.jimfs.Feature;
import com.google.common.jimfs.Jimfs;
import java.io.IOException;
import java.nio.file.FileAlreadyExistsException;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ObjectArrays;
import com.google.common.collect.testing.ListTestSuiteBuilder;
import com.google.common.collect.testing.SampleElements;
import com.google.common.collect.testing.TestListGenerator;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ObjectArrays;
import com.google.common.collect.testing.ListTestSuiteBuilder;
import com.google.common.collect.testing.SampleElements;
import com.google.common.collect.testing.TestListGenerator;

      if (a.length > 0) {
        a[0] = null;
      }
      return a;
    }
    Set<E> delegate = delegateOrNull();
    return (delegate != null)
        ? delegate.toArray(a)
        : ObjectArrays.toArrayImpl(requireElements(), 0, size, a);
  }

  /**
   * Ensures that this {@code CompactHashSet} has the smallest representation in memory, given its
   * current size.
   */
  public void trimToSize() {

      if (a.length > 0) {
        a[0] = null;
      }
      return a;
    }
    Set<E> delegate = delegateOrNull();
    return (delegate != null)
        ? delegate.toArray(a)
        : ObjectArrays.toArrayImpl(requireElements(), 0, size, a);
  }

  /**
   * Ensures that this {@code CompactHashSet} has the smallest representation in memory, given its
   * current size.
   */
  public void trimToSize() {

         */
        return ObjectArrays.toArrayImpl(delegate());
      }
    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations
    public <T extends @Nullable Object> T[] toArray(T[] array) {
      synchronized (mutex) {
        return ObjectArrays.toArrayImpl(delegate(), array);
      }
    }

    @Override