Dispatch enter and leave events for OptionalParameterNode nodes and continue walking the tree.
Dispatch enter and leave events for RequiredParameterNode nodes and continue walking the tree.
Dispatch enter and leave events for RescueModifierNode nodes and continue walking the tree.
Dispatch enter and leave events for RestParameterNode nodes and continue walking the tree.
Inspect a ArrayPatternNode node.
Inspect a BlockArgumentNode node.
Inspect a CallTargetNode node.
Inspect a CapturePatternNode node.
Inspect a ConstantTargetNode node.
Inspect a FindPatternNode node.
Inspect a FlipFlopNode node.
Inspect a ForwardingSuperNode node.
Inspect a HashPatternNode node.
Inspect a IndexTargetNode node.
Inspect a ItParametersNode node.
Inspect a MultiTargetNode node.
Inspect a RescueModifierNode node.
Inspect a RestParameterNode node.