* (https://r.android.com/47508). We *would* need to worry for J2KT, whose own concurrency support
   * is evolving (b/381065164, b/458160722), but this class is @J2ktIncompatible.
   *
   * 2. The superclass toArray() method declares the more general return type `@Nullable Object[]`,
   * but we know that our values will never be `null`.
   */

  @Override
  public Object[] toArray() {
    return snapshotElementsToList().toArray();

   * intersection of the two maps.
   */
  Map<K, V> entriesInCommon();

  /**
   * Returns an unmodifiable map describing keys that appear in both maps, but with different
   * values.
   */
  Map<K, ValueDifference<V>> entriesDiffering();

  /**
   * Compares the specified object with this instance for equality. Returns {@code true} if the

// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//

      "Source" form shall mean the preferred form for making modifications,
      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,
      and conversions to other media types.

      "Source" form shall mean the preferred form for making modifications,
      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,
      and conversions to other media types.

    private final Logger logger = Logging.getLogger(getClass());

    private static final String SHA_EXTENSION = ".sha1";

    // TODO: we should be able to default this to eg compile deps, but we need to move the licenses
    // check from distribution to core (ie this should only be run on java projects)
    /**
     * A collection of jar files that should be checked.
     */

     * is referenced somewhere for as long as the enum class is loaded. *Maybe in theory* the enum
     * class could be unloaded after the above call to `getEnumConstants` but before we call
     * `get()`, but that is vanishingly unlikely.
     */
    return ref == null ? Optional.absent() : Optional.fromNullable(enumClass.cast(ref.get()));
  }

  static String formatCompact4Digits(double value) {

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *

     * a no-op. We could log, but if that's what we really want, we should modify
     * AbstractFuture.executeListener to do so, since that method would have the ability to continue
     * to execute other listeners.
     *
     * What about RuntimeException? If there is a bug in set()/setValue() that produces one, it will
     * propagate, too, but only as far as AbstractFuture.executeListener, which will catch and log

	if DB.Model(&users).Association("Company").Find(&companies); len(companies) != 3 {
		t.Errorf("companies count should be %v, but got %v", 3, len(companies))
	}

	var managers []User
	if DB.Model(&users).Association("Manager").Find(&managers); len(managers) != 2 {
		t.Errorf("managers count should be %v, but got %v", 2, len(managers))
	}

	// Append
	DB.Model(&users).Association("Company").Append(