| Package | Description | 
|---|---|
| javax.annotation | 
| Modifier and Type | Class and Description | 
|---|---|
| interface  | MatchesPatternThis annotation is used to denote String values that should always match given pattern. | 
| interface  | NonnegativeThis annotation is used to annotate a value that should only contain nonnegative values. | 
| interface  | NonnullThe annotated element must not be null. | 
| interface  | PropertyKey | 
| interface  | SyntaxThis annotation a value that is of a particular syntax, such as Java syntax
 or regular expression syntax. | 
| interface  | UntaintedThis annotation is used to denote String values that are untainted,
 i.e. properly validated. | 
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