```
public class Visitor
extends Object
```
Basis for the "visitor" pattern as described in "Gamma, Helm, Johnson, Vlissides: Design Patterns".

Nested Classes
Modifier and Type	Class	Description
`static interface`	`Visitor.AnnotationVisitor`	The visitor for all kinds of `Java.Annotation`s.
`static interface`	`Visitor.AtomVisitor`	The visitor for all kinds of `Java.Atom`s.
`static interface`	`Visitor.BlockStatementVisitor`	The visitor for all kinds of `Java.BlockStatement`s (statements that may appear with a block).
`static interface`	`Visitor.ComprehensiveVisitor`	The union of `Visitor.ImportVisitor`, `Visitor.TypeDeclarationVisitor`, `Visitor.TypeBodyDeclarationVisitor` and `Visitor.AtomVisitor`.
`static interface`	`Visitor.ElementValueVisitor`	The visitor for all kinds of `Java.ElementValue`s.
`static interface`	`Visitor.FunctionDeclaratorVisitor`	The visitor for all kinds of `Java.FunctionDeclarator`s.
`static interface`	`Visitor.ImportVisitor`	The visitor for all kinds of `Java.CompilationUnit.ImportDeclaration`s.
`static interface`	`Visitor.LvalueVisitor`	The visitor for all kinds of `Java.Lvalue`s.
`static interface`	`Visitor.RvalueVisitor`	The visitor for all kinds of `Java.Rvalue`s.
`static interface`	`Visitor.TypeArgumentVisitor`	The visitor for all kinds of `Java.TypeArgument`s.
`static interface`	`Visitor.TypeBodyDeclarationVisitor`	The visitor for all kinds of `Java.TypeBodyDeclaration`s (declarations that may appear in the body of a type declaration).
`static interface`	`Visitor.TypeDeclarationVisitor`	The visitor for all kinds of `Java.TypeDeclaration`s.
`static interface`	`Visitor.TypeVisitor`	The visitor for all kinds of `Java.Type`s.

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Class Visitor