import java.util.EnumMap;
import java.util.Map;

/**
 * A {@code BiMap} backed by two {@code EnumMap} instances. Null keys and values are not permitted.
 * An {@code EnumBiMap} and its inverse are both serializable.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#bimap">{@code BiMap}</a>.
 *
 * @author Mike Bostock
 * @since 2.0
 */

import java.util.EnumMap;
import java.util.Map;

/**
 * A {@code BiMap} backed by two {@code EnumMap} instances. Null keys and values are not permitted.
 * An {@code EnumBiMap} and its inverse are both serializable.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#bimap">{@code BiMap}</a>.
 *
 * @author Mike Bostock
 * @since 2.0
 */

            .collect(toImmutableList()),
        n -> n * log(n),
        ImmutableList.of(
            QueryOp.create("BiMap.get", BiMap::get, Math::log),
            QueryOp.create("BiMap.inverse.get", (bm, o) -> bm.inverse().get(o), Math::log)));
  }

  /** All the ways to create an ImmutableBiMap. */
  enum ConstructionPathway {
    COPY_OF_MAP {
      @Override

   */
  public static <A, B> Converter<A, B> asConverter(final BiMap<A, B> bimap) {
    return new BiMapConverter<>(bimap);
  }

  private static final class BiMapConverter<A, B> extends Converter<A, B> implements Serializable {
    private final BiMap<A, B> bimap;

    BiMapConverter(BiMap<A, B> bimap) {
      this.bimap = checkNotNull(bimap);
    }

    @Override
    protected B doForward(A a) {

   */
  public static <A, B> Converter<A, B> asConverter(final BiMap<A, B> bimap) {
    return new BiMapConverter<>(bimap);
  }

  private static final class BiMapConverter<A, B> extends Converter<A, B> implements Serializable {
    private final BiMap<A, B> bimap;

    BiMapConverter(BiMap<A, B> bimap) {
      this.bimap = checkNotNull(bimap);
    }

    @Override
    protected B doForward(A a) {

                Map<String, PromptResultItemIF> editMap;
                for (Map.Entry<String, PromptResultItemIF> editable : editables) {
                    String template = editable.getValue().getResult();
                    String prefix = template.substring(0, template.indexOf("$"));
                    editMap = prompt.prompt(
                            context.header,

  @Override
  protected final void assertMoreInvariants(Map<K, V> map) {
    BiMap<K, V> bimap = (BiMap<K, V>) map;

    for (Entry<K, V> entry : map.entrySet()) {
      assertEquals(entry.getKey() + "=" + entry.getValue(), entry.toString());
      assertEquals(entry.getKey(), bimap.inverse().get(entry.getValue()));
    }

    assertEquals("{" + JOINER.join(map.entrySet()) + "}", map.toString());

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MapSizeTester<K, V> extends AbstractMapTester<K, V> {
  public void testSize() {
    assertEquals("size():", getNumElements(), getMap().size());
  }

    for (Entry<K, V> entry : getSampleEntries()) {
      expectedHashCode += hash(entry);
    }
    assertEquals(
        "A Map's hashCode() should be the sum of those of its entries.",
        expectedHashCode,
        getMap().hashCode());
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testHashCode_containingNullKey() {
    Entry<K, V> entryWithNull = entry(null, v3());

  }

  @Override
  public Set<N> adjacentNodes() {
    return Collections.unmodifiableSet(((BiMap<E, N>) incidentEdgeMap).values());
  }

  @Override
  public Set<E> edgesConnecting(N node) {
    return new EdgesConnecting<>(((BiMap<E, N>) incidentEdgeMap).inverse(), node);
  }