class RuboCop::Cop::Lint::ParenthesesAsGroupedExpression

def on_send(node)
  _receiver, method_name, args = *node
  return if operator?(method_name) || method_name.to_s.end_with?('=')
  return unless args && args.loc.expression.source.start_with?('(')
  space_length = spaces_before_left_parenthesis(node)
  return unless space_length > 0
  expr = args.loc.expression
  space_range =
    Parser::Source::Range.new(expr.source_buffer,
                              expr.begin_pos - space_length,
                              expr.begin_pos)
  add_offense(nil, space_range)
end