Map<K, ? extends V> map, @ParametricNullness V defaultValue) {
    return new ForMapWithDefault<>(map, defaultValue);
  }

  private static final class FunctionForMapNoDefault<
          K extends @Nullable Object, V extends @Nullable Object>
      implements Function<K, V>, Serializable {
    final Map<K, V> map;

    FunctionForMapNoDefault(Map<K, V> map) {
      this.map = checkNotNull(map);
    }

    @Override

    }

    /**
     * Adds all key-value pairs from the specified map to this parameter container.
     *
     * @param map the map containing parameters to add, must not be null
     */
    public void putAll(final Map<String, String> map) {
        params.putAll(map);
    }

    /**
     * Checks if the specified key exists in the parameter map.
     *
     * @param key the key to check for existence

        Map<String, Object> emptyProperties = Map.of();
        assertTrue(Features.deployBuildPom(emptyProperties));

        // Test with null properties
        assertTrue(Features.deployBuildPom(null));
    }

    @Test
    void testDeployBuildPomWithStringTrue() {
        // Test with string "true"
        Map<String, Object> properties = Map.of(Constants.MAVEN_DEPLOY_BUILD_POM, "true");

    /**
     * Creates a configuration parameter map.
     *
     * @param configParameters the configuration parameters
     * @return the configuration parameter map
     */
    public static Map<ConfigName, Map<String, String>> createConfigParameterMap(final String configParameters) {
        final Map<ConfigName, Map<String, String>> map = new HashMap<>();
        final Map<String, String> configConfigMap = new LinkedHashMap<>();

#         }
#     }
# }
#
# *The line that starts with '#' means comment-out.
#
map:{
    # example for implicit classification
    #; Flg = list:{
    #    ; map:{topComment=general boolean classification for every flg-column; codeType=Number}
    #    ; map:{code=1; name=True ; alias=Checked  ; comment=means yes; sisterCode=true}
    #    ; map:{code=0; name=False; alias=Unchecked; comment=means no ; sisterCode=false}
    #}

   * Returns a new bimap with the same mappings as the specified map. If the specified map is an
   * {@code EnumBiMap}, the new bimap has the same types as the provided map. Otherwise, the
   * specified map must contain at least one mapping, in order to determine the key and value types.
   *
   * @param map the map whose mappings are to be placed in this map
   * @throws IllegalArgumentException if map is not an {@code EnumBiMap} instance and contains no

   * Returns a new bimap with the same mappings as the specified map. If the specified map is an
   * {@code EnumBiMap}, the new bimap has the same types as the provided map. Otherwise, the
   * specified map must contain at least one mapping, in order to determine the key and value types.
   *
   * @param map the map whose mappings are to be placed in this map
   * @throws IllegalArgumentException if map is not an {@code EnumBiMap} instance and contains no

import java.lang.annotation.RetentionPolicy;
import java.util.Map;
import java.util.Set;

/**
 * Optional features of classes derived from {@code Map}.
 *
 * @author George van den Driessche
 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum MapFeature implements Feature<Map> {
  /**

            map.put(FieldNames.READING_PREFIX + i, values);
        }

        map.put(FieldNames.FIELDS, item.getFields());
        map.put(FieldNames.TAGS, item.getTags());
        map.put(FieldNames.ROLES, item.getRoles());
        map.put(FieldNames.LANGUAGES, item.getLanguages());
        map.put(FieldNames.KINDS, Stream.of(item.getKinds()).map(SuggestItem.Kind::toString).toArray());

                    map.put(keyComputer.key(v), v);
                }
                list = null;
            }
            if (vs instanceof MergingList mergingList && mergingList.map != null) {
                for (Map.Entry<Object, V> e : ((MergingList<V>) vs).map.entrySet()) {
                    Object key = e.getKey();
                    V oldValue = map.get(key);