class Parser::Source::TreeRewriter::Action

def with(range: @range, enforcer: @enforcer, children: @children, insert_before: @insert_before, replacement: @replacement, insert_after: @insert_after)
  children = swallow(children) if replacement
  self.class.new(range, enforcer, children: children, insert_before: insert_before, replacement: replacement, insert_after: insert_after)
end