0,
                size,
                Ordering.from(valueComparator).onResultOf(Maps.valueFunction()));
          }
          entriesUsed = true;
          return RegularImmutableBiMap.fromEntryArray(size, entries);
      }
    }

    /**
     * Throws {@link UnsupportedOperationException}. This method is inherited from {@link
     * ImmutableMap.Builder}, but it does not make sense for bimaps.
     *

            Ordering.from(valueComparator).onResultOf(Maps.<V>valueFunction()));
        localEntries = (@Nullable Entry<K, V>[]) nonNullEntries;
      }
      entriesUsed = true;
      return RegularImmutableMap.fromEntryArray(localSize, localEntries, throwIfDuplicateKeys);
    }

    /**
     * Returns a newly-created immutable map. The iteration order of the returned map is the order