| Package | Description | 
|---|---|
| javax.annotation | |
| javax.annotation.meta | 
| Modifier and Type | Class and Description | 
|---|---|
| interface  | CheckForNullThe annotated element might be null, and uses of the element should check for null. | 
| interface  | NullableThe annotated element could be null under some circumstances. | 
| interface  | ParametersAreNonnullByDefaultThis annotation can be applied to a package, class or method to indicate that
 the method parameters in that element are nonnull by default unless there is:
 
 An explicit nullness annotation
 The method overrides a method in a superclass (in which case the
 annotation of the corresponding parameter in the superclass applies)
 There is a default parameter annotation (like  ParametersAreNullableByDefault)
 applied to a more tightly nested element. | 
| Modifier and Type | Method and Description | 
|---|---|
| When | Nonnull.Checker. forConstantValue(Nonnull qualifierArgument,
                Object value) | 
| Modifier and Type | Method and Description | 
|---|---|
| When | TypeQualifierValidator. forConstantValue(A annotation,
                Object value)Given a type qualifier, check to see if a known specific constant value
 is an instance of the set of values denoted by the qualifier. | 
| Modifier and Type | Method and Description | 
|---|---|
| When | TypeQualifierValidator. forConstantValue(A annotation,
                Object value)Given a type qualifier, check to see if a known specific constant value
 is an instance of the set of values denoted by the qualifier. | 
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