Package Summary Overview Summary

### class:SimpleTreeVisitor [CHANGED]
Type Parameters: `R` - the return type of this visitor's methods. Use `Void` for visitors that do not need to return results. `P` - the type of the additional parameter to this visitor's methods. Use `Void` for visitors that do not need an additional parameter. All Implemented Interfaces: `TreeVisitor<R,​P>` public class SimpleTreeVisitor<R,​P>extends Object implements TreeVisitor<R,​P> `SimpleTreeVisitor` relies on preview features of the Java platform: `SimpleTreeVisitor` refers to one or more reflective preview APIs: `DefaultCaseLabelTree`, `GuardedPatternTree`, `ParenthesizedPatternTree`. Programs can only use `SimpleTreeVisitor` when preview features are enabled. Preview features may be removed in a future release, or upgraded to permanent features of the Java platform. A simple visitor for tree nodes. Since: 1.6
Type Parameters: `R` - the return type of this visitor's methods. Use `Void` for visitors that do not need to return results. `P` - the type of the additional parameter to this visitor's methods. Use `Void` for visitors that do not need an additional parameter. All Implemented Interfaces: `TreeVisitor<R,​P>` public class SimpleTreeVisitor<R,​P>extends Object implements TreeVisitor<R,​P> A simple visitor for tree nodes. Since: 1.6 | Type Parameters: `R` - the return type of this visitor's methods. Use `Void` for visitors that do not need to return results. `P` - the type of the additional parameter to this visitor's methods. Use `Void` for visitors that do not need an additional parameter. All Implemented Interfaces: `TreeVisitor<R,​P>` public class SimpleTreeVisitor<R,​P>extends Object implements TreeVisitor<R,​P> `SimpleTreeVisitor` relies on preview features of the Java platform: `SimpleTreeVisitor` refers to one or more reflective preview APIs: `DefaultCaseLabelTree`, `GuardedPatternTree`, `ParenthesizedPatternTree`. Programs can only use `SimpleTreeVisitor` when preview features are enabled. Preview features may be removed in a future release, or upgraded to permanent features of the Java platform. A simple visitor for tree nodes. Since: 1.6