}
        return pcd.getRawClass();
    }

    @Override
    public Class<?> getKeyClassOfMap() {
        if (!Map.class.isAssignableFrom(fieldType) || !isParameterized()) {
            return null;
        }
        final ParameterizedClassDesc pcd = parameterizedClassDesc.getArguments()[0];
        if (pcd == null) {
            return null;
        }
        return pcd.getRawClass();
    }

    final int characteristics() {
      return spliterator.characteristics();
    }

    final long estimateSize() {
      return spliterator.estimateSize();
    }

    final Comparator<? super E> getComparator() {
      return spliterator.getComparator();
    }

    final long getExactSizeIfKnown() {
      return spliterator.getExactSizeIfKnown();
    }

    final int characteristics() {
      return spliterator.characteristics();
    }

    final long estimateSize() {
      return spliterator.estimateSize();
    }

    final Comparator<? super E> getComparator() {
      return spliterator.getComparator();
    }

    final long getExactSizeIfKnown() {
      return spliterator.getExactSizeIfKnown();
    }

        @J2ktIncompatible
        @GwtIncompatible
                Object writeReplace() {
          return super.writeReplace();
        }
      }
      return new EntrySetImpl();
    }

    @Override
    ImmutableCollection<V> createValues() {
      return new ImmutableMapValues<>(this);
    }

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")

    if (a == b) {
      return true;
    }
    if (a == null || b == null) {
      return false;
    }
    return doEquivalent(a, b);
  }

  /**
   * @since 10.0 (previously, subclasses would override equivalent())
   */
  @ForOverride
  protected abstract boolean doEquivalent(T a, T b);

  /**
   * <i>May</i> return {@code true} if {@code object} is a {@code Equivalence} that behaves

    @Override
    public UserInfoDbm asDBMeta() {
        return UserInfoDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "user_info";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {
        return doGetConditionQuery();
    }

    @Override
    public GroupDbm asDBMeta() {
        return GroupDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "group";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {
        return doGetConditionQuery();
    }

  public static MultimapBuilderWithKeys<@Nullable Object> hashKeys(int expectedKeys) {
    checkNonnegative(expectedKeys, "expectedKeys");
    return new MultimapBuilderWithKeys<@Nullable Object>() {
      @Override
      <K extends @Nullable Object, V extends @Nullable Object> Map<K, Collection<V>> createMap() {
        return Platform.newHashMapWithExpectedSize(expectedKeys);
      }
    };
  }

  /**

  public static MultimapBuilderWithKeys<@Nullable Object> hashKeys(int expectedKeys) {
    checkNonnegative(expectedKeys, "expectedKeys");
    return new MultimapBuilderWithKeys<@Nullable Object>() {
      @Override
      <K extends @Nullable Object, V extends @Nullable Object> Map<K, Collection<V>> createMap() {
        return Platform.newHashMapWithExpectedSize(expectedKeys);
      }
    };
  }

  /**

            if (mgn.metadata.equals(md)) {
                return mgn;
            }
        }

        MetadataGraphNode node = new MetadataGraphNode(md);
        addNode(node);
        return node;
    }

    /**
     * getter
     */
    public MetadataGraphNode getEntry() {
        return entry;
    }

    /**
     * getter
     */