class RuboCop::Cop::Performance::Sum

def handle_sum_candidate(node)
  sum_candidate?(node) do |method, init, operation|
    next if cop_config['OnlySumOrWithInitialValue'] && init.empty?
    range = sum_method_range(node)
    message = build_method_message(node, method, init, operation)
    add_offense(range, message: message) do |corrector|
      autocorrect(corrector, init, range)
    end
  end
end