NumberType example

new Type\CollectionType(),
            new Type\CountryType(),
            new Type\DateIntervalType(),
            new Type\DateType(),
            new Type\DateTimeType(),
            new Type\EmailType(),
            new Type\HiddenType(),
            new Type\IntegerType(),
            new Type\LanguageType(),
            new Type\LocaleType(),
            new Type\MoneyType(),
            new Type\NumberType(),
            new Type\PasswordType(),
            new Type\PercentType(),
            new Type\RadioType(),
            new Type\RangeType(),
            new Type\RepeatedType(),
            new Type\SearchType(),
            new Type\TextareaType(),
            new Type\TextType(),
            new Type\TimeType(),
            new Type\TimezoneType(),
            new Type\UrlType(),