builderMap = result;
      }
      return result;
    }

    ImmutableCollection.Builder<V> newValueCollectionBuilderWithExpectedSize(int expectedSize) {
      return ImmutableList.builderWithExpectedSize(expectedSize);
    }

    /**
     * Provides a hint for how many values will be associated with each key newly added to the

        builderMap = result;
      }
      return result;
    }

    ImmutableCollection.Builder<V> newValueCollectionBuilderWithExpectedSize(int expectedSize) {
      return ImmutableList.builderWithExpectedSize(expectedSize);
    }

    /**
     * Provides a hint for how many values will be associated with each key newly added to the

   * but not exactly, the number of elements added to the builder.
   *
   * @since 23.1
   */
  public static <E> Builder<E> builderWithExpectedSize(int expectedSize) {
    checkNonnegative(expectedSize, "expectedSize");
    return new ImmutableList.Builder<>(expectedSize);
  }

  /**

   * but not exactly, the number of distinct elements added to the builder.
   *
   * @since 23.1
   */
  public static <E> Builder<E> builderWithExpectedSize(int expectedSize) {
    checkNonnegative(expectedSize, "expectedSize");
    return new Builder<>(expectedSize);
  }

  /**
   * A builder for creating {@code ImmutableSet} instances. Example:
   *

      Iterable<V> values, Function<? super V, K> keyFunction) {
    if (values instanceof Collection) {
      return uniqueIndex(
          values.iterator(),
          keyFunction,
          ImmutableMap.builderWithExpectedSize(((Collection<?>) values).size()));
    }
    return uniqueIndex(values.iterator(), keyFunction);
  }

  /**