class RuboCop::Cop::Style::FormatString

def autocorrect_from_percent(corrector, node)
  percent_rhs = node.first_argument
  args = case percent_rhs.type
         when :array, :hash
           percent_rhs.children.map(&:source).join(', ')
         else
           percent_rhs.source
         end
  corrected = "#{style}(#{node.receiver.source}, #{args})"
  corrector.replace(node, corrected)
end