| AlphaChars | Constrain the chars used to generate Strings or Characters to upper and lower case chars. | 
| BigRange | Constrain the range of a generated "Big" number. | 
| ByteRange | Constrain the range of a generated byte or Byte parameters. | 
| CharRange | Constrain the chars used to generate Strings or Characters to chars in the range
 from fromtoto. | 
| CharRangeList |  | 
| Chars | Constrain the chars used to generate Strings or Characters to chars
 contained in value. | 
| CharsList |  | 
| DoubleRange | Constrain the range of a generated double or Double parameters. | 
| FloatRange | Constrain the range of a generated float or Float parameters. | 
| IntRange | Constrain the range of a generated int or Integer parameters. | 
| LongRange | Constrain the range of a generated long or BigInteger parameters. | 
| LowerChars | Constrain the chars used to generate Strings or Characters to lower case chars. | 
| Negative | Constrain the range of a generated number to be less than 0. | 
| NotEmpty | Constrain the size of generated "sizable" types to be at least 1. | 
| NumericChars | Constrain the chars used to generate Strings or Characters to digits. | 
| Positive | Constrain the range of a generated number to be greater than 0. | 
| Scale | Use to constrain the maximum number of decimal places when generating decimal numbers. | 
| ShortRange | Constrain the range of a generated short or Short parameters. | 
| Size | Constrain the size of generated "sizable" types. | 
| StringLength | Constrain the length of generated Strings. | 
| Unique | Deprecated. | 
| UniqueElements | Add a uniqueness constraint to a Collection, Stream or Array parameter. | 
| UpperChars | Constrain the chars used to generate Strings or Characters to upper and lower case chars. | 
| UseType | Generate a value from the annotated class' or type's constructors or factory methods. | 
| Whitespace | Constrain the chars used to generate Strings or Characters to chars
 that will return trueforCharacter.isWhitespace(char). | 
| WithNull | Allows jqwik to inject null parameters into generated values. |