return of();
      } else {
        return new ImmutableClassToInstanceMap<>(map);
      }
    }
  }

  /**
   * Returns an immutable map containing the same entries as {@code map}. If {@code map} somehow
   * contains entries with duplicate keys (for example, if it is a {@code SortedMap} whose
   * comparator is not <i>consistent with equals</i>), the results of this method are undefined.
   *

 *
 * <p>If {@link #weakKeys} or {@link #weakValues} are requested, it is possible for a key or value
 * present in the map to be reclaimed by the garbage collector. Entries with reclaimed keys or
 * values may be removed from the map on each map modification or on occasional map accesses; such
 * entries may be counted by {@link Map#size}, but will never be visible to read or write

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

/**
 * Form class for editing stemmer override dictionary entries in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing stemmer override entries.
 * Stemmer overrides define custom stemming rules that take precedence over the default stemming algorithm.
 *
 */
public class EditForm extends CreateForm {

    @Resource
    private CharMappingService charMappingService;

    /**
     * Retrieve list of character mapping entries for the specified dictionary.
     *
     * @param dictId identifier of the dictionary
     * @param body search criteria and paging parameters
     * @return JSON response containing list of mapping entries
     */
    // GET /api/admin/dict/mapping/settings/{dictId}
    @Execute

      }
      return result;
    }

    @Override
    public Collection<Entry<K, V>> entries() {
      Collection<Entry<K, V>> result = entries;
      if (result == null) {
        entries = result = unmodifiableEntries(delegate.entries());
      }
      return result;
    }

    @Override
    public void forEach(BiConsumer<? super K, ? super V> consumer) {

    assertEquals(
        "map.toString() incorrect", expectedToString(getMap().entrySet()), getMap().toString());
  }

  private String expectedToString(Set<Entry<K, V>> entries) {
    Map<K, V> reference = new LinkedHashMap<>();
    for (Entry<K, V> entry : entries) {
      reference.put(entry.getKey(), entry.getValue());
    }
    return reference.toString();
  }

        private int index = biMap.firstInInsertionOrder;
        private int indexToRemove = ABSENT;
        private int expectedModCount = biMap.modCount;

        // Calls to setValue on inverse entries can move already-visited entries to the end.
        // Make sure we don't visit those.
        private int remaining = biMap.size;

        private void checkForComodification() {
          if (biMap.modCount != expectedModCount) {

		t.Fatal("Data was not removed:", xl2.data.find(fi.VersionID))
	}
	if xl2.data.entries() != 1 {
		t.Fatal("want 1 entry, got", xl2.data.entries())
	}
	// Re-add
	xl2.data.replace(fi.VersionID, fi.Data)
	failOnErr(xl2.data.validate())
	if xl2.data.entries() != 2 {
		t.Fatal("want 2 entries, got", xl2.data.entries())
	}

	// Replace entry
	xl2.data.replace("756100c6-b393-4981-928a-d49bbc164741", data2)

      }
      return result;
    }

    @Override
    public Collection<Entry<K, V>> entries() {
      Collection<Entry<K, V>> result = entries;
      if (result == null) {
        entries = result = unmodifiableEntries(delegate.entries());
      }
      return result;
    }

    @Override
    public Collection<V> get(@ParametricNullness K key) {

                  @Override
                  protected SortedMap<String, String> create(Entry<String, String>[] entries) {
                    NavigableMap<String, String> map = new SafeTreeMap<>();
                    for (Entry<String, String> entry : entries) {
                      map.put(entry.getKey(), entry.getValue());
                    }