class RuboCop::Cop::Performance::UnfreezeString

def on_send(node)
  return unless (dup_string?(node) && target_ruby_version <= 3.2) || string_new?(node)
  add_offense(node) do |corrector|
    string_value = "+#{string_value(node)}"
    string_value = "(#{string_value})" if node.parent&.send_type?
    corrector.replace(node, string_value)
  end
end