class RuboCop::Cop::Lint::UselessRescue

def only_reraising?(resbody_node)
  return false if use_exception_variable_in_ensure?(resbody_node)
  body = resbody_node.body
  return false if body.nil? || !body.send_type? || !body.method?(:raise) || body.receiver
  return true unless body.arguments?
  return false if body.arguments.size > 1
  exception_name = body.first_argument.source
  exception_objects(resbody_node).include?(exception_name)
end