class RuboCop::Cop::Layout::EmptyLinesAroundAccessModifier

def on_class(node)

def on_class(node)
  _name, superclass, _body = *node
  @class_or_module_def_first_line = if superclass
                                      superclass.first_line
                                    else
                                      node.source_range.first_line
                                    end
  @class_or_module_def_last_line = node.source_range.last_line
end