### Question:
ProductDimensions { public static ProductOfferId createOfferId(@Nullable String offerId) { ProductOfferId productOfferId = new ProductOfferId(); productOfferId.setValue(offerId); return productOfferId; } private  ProductDimensions(); static ProductType createType(ProductDimensionType productDimensionType,
      @Nullable String productTypeValue); static ProductCanonicalCondition createCanonicalCondition(
      @Nullable ProductCanonicalConditionCondition condition); static ProductBiddingCategory createBiddingCategory(
      ProductDimensionType productDimensionType, @Nullable Long biddingCategoryId); static ProductOfferId createOfferId(@Nullable String offerId); static ProductBrand createBrand(@Nullable String brand); static ProductCustomAttribute createCustomAttribute(
      ProductDimensionType productDimensionType, @Nullable String attributeValue); static ProductChannel createChannel(@Nullable ShoppingProductChannel channel); static ProductChannelExclusivity createChannelExclusivity(
      @Nullable ShoppingProductChannelExclusivity channelExclusivity);  }### Answer:
@Test public void testCreateOfferId() { ProductOfferId offerId = ProductDimensions.createOfferId(STRING_VALUE); assertEquals(STRING_VALUE, offerId.getValue()); }