private static <K, V> Collection<Entry<K, V>> unmodifiableEntries(
      Collection<Entry<K, V>> entries) {
    if (entries instanceof Set) {
      return Maps.unmodifiableEntrySet((Set<Entry<K, V>>) entries);
    }
    return new Maps.UnmodifiableEntries<>(Collections.unmodifiableCollection(entries));
  }
private static <K, V> Collection<Entry<K, V>> unmodifiableEntries(
      Collection<Entry<K, V>> entries) {
    if (entries instanceof Set) {
      return Maps.unmodifiableEntrySet((Set<Entry<K, V>>) entries);
    }
    return new Maps.UnmodifiableEntries<>(Collections.unmodifiableCollection(entries));
  }
private static < K , V > Collection < Entry < K , V > > unmodifiableEntries ( Collection < Entry < K , V > > entries ) { if ( entries instanceof Set ) { return Maps . unmodifiableEntrySet ( ( Set < Entry < K , V > > ) entries ) ; } return new Maps . UnmodifiableEntries <> ( Collections . unmodifiableCollection ( entries ) ) ; }
Returns an unmodifiable view of the specified collection of entries. The {@link Entry#setValue}
operation throws an {@link UnsupportedOperationException}. If the specified collection is a
{@code Set}, the returned collection is also a {@code Set}.

@param entries the entries for which to return an unmodifiable view
@return an unmodifiable view of the entries
Returns an unmodifiable view of the specified collection of entries . The { @link Entry#setValue } operation throws an { @link UnsupportedOperationException } . If the specified collection is a { @code Set } the returned collection is also a { @code Set } .