Tree
class Object
trait Matchable
class Any
class Alternative
class Apply
class Assign
class Bind
class Block
class CaseDef
class DefDef
object EmptyTree
class Export
class Ident
class FreeIdent
class ImportIdent
class ReferencedPackage
class SimpleRef
class TermRefTree
class If
class InlineIf
class Import
class ImportSelector
class Inlined
class Lambda
class Literal
class Match
class InlineMatch
class NamedArg
class New
class PackageDef
class Return
class Select
class SelectIn
class SelfDef
class SeqLiteral
class Super
class Template
class This
class Throw
class Try
class TypeApply
class TypeDef
class ClassDef
class TypeMember
class TypeParam
class Typed
class Unapply
class ValDef
class While