*/
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum SetFeature implements Feature<Set> {
  GENERAL_PURPOSE(CollectionFeature.GENERAL_PURPOSE);

  private final Set<Feature<? super Set>> implied;

  SetFeature(Feature<? super Set>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override

 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum SetFeature implements Feature<Set> {
  GENERAL_PURPOSE(CollectionFeature.GENERAL_PURPOSE);

  private final Set<Feature<? super Set>> implied;

  SetFeature(Feature<? super Set>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.SetFeature;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.AbstractSet;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.EnumSet;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.SetFeature;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.AbstractSet;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.EnumSet;

        try {
            final SAXParserFactory spfactory = SAXParserFactory.newInstance();
            spfactory.setFeature(Constants.FEATURE_SECURE_PROCESSING, true);
            spfactory.setFeature(Constants.FEATURE_EXTERNAL_GENERAL_ENTITIES, false);
            spfactory.setFeature(Constants.FEATURE_EXTERNAL_PARAMETER_ENTITIES, false);
            final SAXParser parser = spfactory.newSAXParser();

                    factory.setFeature(org.codelibs.fess.crawler.Constants.FEATURE_SECURE_PROCESSING, true);
                    factory.setFeature(org.codelibs.fess.crawler.Constants.FEATURE_EXTERNAL_GENERAL_ENTITIES, false);
                    factory.setFeature(org.codelibs.fess.crawler.Constants.FEATURE_EXTERNAL_PARAMETER_ENTITIES, false);

        final SAXParserFactory factory = SAXParserFactory.newInstance();
        try {
            factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
            factory.setFeature("http://xml.org/sax/features/external-general-entities", false);
            factory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
        } catch (SAXNotRecognizedException | SAXNotSupportedException e) {

        final SAXParserFactory spfactory = SAXParserFactory.newInstance();
        try {
            spfactory.setFeature(Constants.FEATURE_SECURE_PROCESSING, true);
            spfactory.setFeature(Constants.FEATURE_EXTERNAL_GENERAL_ENTITIES, false);
            spfactory.setFeature(Constants.FEATURE_EXTERNAL_PARAMETER_ENTITIES, false);
            // create a sax parser

                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to set a property.", e);
                }
            }
        }
        try {
            factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
        } catch (final ParserConfigurationException e) {
            throw new ParserConfigurationRuntimeException(e);
        }
        return factory;
    }

    /**

    }
  }

  public void testFeatureEnums() throws Exception {
    assertGoodFeatureEnum(CollectionFeature.class);
    assertGoodFeatureEnum(ListFeature.class);
    assertGoodFeatureEnum(SetFeature.class);
    assertGoodFeatureEnum(CollectionSize.class);
    assertGoodFeatureEnum(MapFeature.class);
  }

  private static String rootLocaleFormat(String format, Object... args) {