ReferenceQueue<V> queue, @Nullable V value, ReferenceEntry<K, V> entry);

    /**
     * Notify pending loads that a new value was set. This is only relevant to loading value
     * references.
     */
    void notifyNewValue(@Nullable V newValue);

    /**
     * Returns true if a new value is currently loading, regardless of whether there is an existing

 * <td>
 * This URL references a share called <code>tmp</code> on the server
 * <code>angus</code> as user <code>miallen</code> who's password is
 * <code>mypass</code>.
 * </td>
 * </tr>
 *
 * <tr>
 * <td >
 * <code>smb://Administrator:P%40ss@msmith1/c/WINDOWS/Desktop/foo.txt</code></td>
 * <td>
 * A relatively sophisticated example that references a file

    </class>
    <class>
      <name>MailingList</name>
      <version>3.0.0+</version>
      <description>This element describes all of the mailing lists associated with a project. The
        auto-generated site references this information.</description>
      <fields>
        <field>
          <name>name</name>
          <version>3.0.0+</version>
          <description>
            The name of the mailing list.