CaseLabelTreePREVIEW
Tree
BindingPatternTree
GuardedPatternTreePREVIEW,ParenthesizedPatternTree PREVIEW
GuardedPatternTreePREVIEW
PatternTree
CaseLabelTree
Tree.Kind
accept, getKind
ParenthesizedPatternTreePREVIEW
getGuard
PatternTree
when preview features are enabled.