class RuboCop::Cop::Lint::UselessAccessModifier

def check_child_nodes(node, unused, cur_vis)
  node.child_nodes.each do |child|
    if child.send_type? && access_modifier?(child)
      cur_vis, unused = check_send_node(child, cur_vis, unused)
    elsif method_definition?(child)
      unused = nil
    elsif start_of_new_scope?(child)
      check_scope(child)
    elsif !child.defs_type?
      cur_vis, unused = check_child_nodes(child, unused, cur_vis)
    end
  end
  [cur_vis, unused]
end