Use RBVariableNode>>name: to change variable's name.
The old way - `node token value:` is working in Pharo - there's no token in RBVariableNode. Sigh.
"{ Package: 'stx:goodies/petitparser/parsers/java' }"
"{ NameSpace: Smalltalk }"
PJExpressionNode subclass:#PJNullLiteralNode
instanceVariableNames:'literalValue'
classVariableNames:''
poolDictionaries:''
category:'PetitJava-AST'
!
!PJNullLiteralNode class methodsFor:'as yet unclassified'!
literalValue: aLiteral
^(self new) literalValue: aLiteral
! !
!PJNullLiteralNode methodsFor:'as yet unclassified'!
acceptVisitor: aVisitor
^ aVisitor visitNullLiteralNode: self
!
literalValue
^ literalValue
!
literalValue: anObject
literalValue := anObject
! !