| DocSourcePositions | Provides methods to obtain the position of a DocTree within a javadoc comment. | 
| DocTreeFactory | Factory for creating DocTreenodes. | 
| DocTreePath | A path of tree nodes, typically used to represent the sequence of ancestor
 nodes of a tree node up to the top level DocCommentTree node. | 
| DocTrees | Provides access to syntax trees for doc comments. | 
| DocTreeScanner | A TreeVisitor that visits all the child tree nodes. | 
| JavacTask | Provides access to functionality specific to the JDK Java Compiler, javac. | 
| SourcePositions | Provides methods to obtain the position of a Tree within a CompilationUnit. | 
| TaskEvent | Provides details about work that has been done by the JDK Java Compiler, javac. | 
| TaskEvent.Kind | Kind of task event. | 
| TaskListener | Provides a listener to monitor the activity of the JDK Java Compiler, javac. | 
| TreePath | A path of tree nodes, typically used to represent the sequence of ancestor
 nodes of a tree node up to the top level CompilationUnitTree node. | 
| Trees | Bridges JSR 199, JSR 269, and the Tree API. | 
| TreeScanner | A TreeVisitor that visits all the child tree nodes. |