}

    @Override
    ImmutableBiMap<K, V> buildJdkBacked() {
      return build();
    }
  }

  public static <K, V> ImmutableBiMap<K, V> copyOf(Map<? extends K, ? extends V> map) {
    if (map instanceof ImmutableBiMap) {
      @SuppressWarnings("unchecked") // safe since map is not writable
      ImmutableBiMap<K, V> bimap = (ImmutableBiMap<K, V>) map;
      return bimap;
    }

  public static class ImmutableBiMapGenerator extends TestStringBiMapGenerator {
    @Override
    protected BiMap<String, String> create(Entry<String, String>[] entries) {
      ImmutableBiMap.Builder<String, String> builder = ImmutableBiMap.builder();
      for (Entry<String, String> entry : entries) {
        checkNotNull(entry);
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }

@NullUnmarked
public class HttpHeadersTest extends TestCase {

  public void testConstantNameMatchesString() throws Exception {
    // Special case some of the weird HTTP Header names...
    ImmutableBiMap<String, String> specialCases =
        ImmutableBiMap.<String, String>builder()
            .put("CDN_LOOP", "CDN-Loop")
            .put("ETAG", "ETag")
            .put("SOURCE_MAP", "SourceMap")

          }
        }
        return ImmutableBiMap.copyOf(sourceMap);
      }
    },
    COPY_OF_ENTRIES {
      @Override
      public ImmutableBiMap<Object, Object> create(List<Entry<?, ?>> entries) {
        return ImmutableBiMap.copyOf(entries);
      }
    },
    BUILDER_PUT_ONE_BY_ONE {
      @Override
      public ImmutableBiMap<Object, Object> create(List<Entry<?, ?>> entries) {

package com.google.common.graph;

import static com.google.common.graph.GraphConstants.EXPECTED_DEGREE;

import com.google.common.collect.BiMap;
import com.google.common.collect.HashBiMap;
import com.google.common.collect.ImmutableBiMap;
import java.util.Collections;
import java.util.Map;
import java.util.Set;

/**
 * An implementation of {@link NetworkConnections} for undirected networks.
 *
 * @author James Sexton

  public static class ImmutableBiMapGenerator extends TestStringBiMapGenerator {
    @Override
    protected BiMap<String, String> create(Entry<String, String>[] entries) {
      ImmutableBiMap.Builder<String, String> builder = ImmutableBiMap.builder();
      for (Entry<String, String> entry : entries) {
        checkNotNull(entry);
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }

    extends AbstractImmutableBiMapMapInterfaceTest<String, Integer> {
  @Override
  protected Map<String, Integer> makeEmptyMap() {
    return ImmutableBiMap.of();
  }

  @Override
  protected Map<String, Integer> makePopulatedMap() {
    return ImmutableBiMap.of("one", 1, "two", 2, "three", 3);
  }

  @Override
  protected String getKeyNotInPopulatedMap() {
    return "minus one";
  }

  @Override

 * bimap containing the same entries as this bimap but with reversed keys and values.
 *
 * <h3>Implementations</h3>
 *
 * <ul>
 *   <li>{@link ImmutableBiMap}
 *   <li>{@link HashBiMap}
 *   <li>{@link EnumBiMap}
 *   <li>{@link EnumHashBiMap}
 * </ul>
 *
 * <p>See the Guava User Guide article on <a href=

 *
 * @author Chris Povirk
 */
@NullUnmarked
public class FauxveridesTest extends TestCase {
  public void testImmutableBiMap() {
    doHasAllFauxveridesTest(ImmutableBiMap.class, ImmutableMap.class);
  }

  public void testImmutableListMultimap() {
    doHasAllFauxveridesTest(ImmutableListMultimap.class, ImmutableMultimap.class);
  }

  public void testImmutableSetMultimap() {

 *
 * @author Chris Povirk
 */
@NullUnmarked
public class FauxveridesTest extends TestCase {
  public void testImmutableBiMap() {
    doHasAllFauxveridesTest(ImmutableBiMap.class, ImmutableMap.class);
  }

  public void testImmutableListMultimap() {
    doHasAllFauxveridesTest(ImmutableListMultimap.class, ImmutableMultimap.class);
  }

  public void testImmutableSetMultimap() {