class RuboCop::Cop::Performance::Count

def on_send(node)
  return if rails_safe_mode?
  count_candidate?(node) do |selector_node, selector, counter|
    return unless eligible_node?(node)
    range = source_starting_at(node) do
      selector_node.loc.selector.begin_pos
    end
    add_offense(node,
                location: range,
                message: format(MSG, selector: selector,
                                     counter: counter))
  end
end