| Package | Description | 
|---|---|
| javax.annotation.processing | Facilities for declaring annotation processors and for
 allowing annotation processors to communicate with an annotation processing
 tool environment. | 
| javax.lang.model.util | Utilities to assist in the processing of
 program elements and
 types. | 
| javax.tools | Provides interfaces for tools which can be invoked from a program,
 for example, compilers. | 
| Class and Description | 
|---|
| Completion A suggested completion for an
 annotation. | 
| Filer This interface supports the creation of new files by an annotation
 processor. | 
| Messager A  Messagerprovides the way for an annotation processor to
 report error messages, warnings, and other notices. | 
| ProcessingEnvironment An annotation processing tool framework will provide an annotation processor with an object
 implementing this interface so the processor can use facilities
 provided by the framework to write new files, report error
 messages, and find other utilities. | 
| Processor The interface for an annotation processor. | 
| RoundEnvironment An annotation processing tool framework will provide an annotation processor with an object
 implementing this interface so that the processor can query for
 information about a round of annotation processing. | 
| Class and Description | 
|---|
| SupportedSourceVersion An annotation used to indicate the latest source version an
 annotation processor supports. | 
| Class and Description | 
|---|
| Processor The interface for an annotation processor. | 
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