class RuboCop::Cop::Performance::DoubleStartEndWith

def autocorrect(node)
  _receiver, _method,
  first_call_args, second_call_args = process_source(node)
  combined_args = combine_args(first_call_args, second_call_args)
  first_argument = first_call_args.first.loc.expression
  last_argument = second_call_args.last.loc.expression
  range = first_argument.join(last_argument)
  lambda do |corrector|
    corrector.replace(range, combined_args)
  end
end