class RuboCop::Cop::Lint::RequireParentheses

def on_send(node)
  _receiver, method_name, *args = *node
  return if parentheses?(node)
  return if args.empty?
  if ternary?(args.first)
    check_ternary(args.first, node)
  elsif predicate?(method_name)
    # We're only checking predicate methods. There would be false
    # positives otherwise.
    check_send(args.last, node)
  end
end