class RuboCop::Cop::Style::PercentQLiterals

def on_percent_literal(node)
  if style == :lower_case_q
    if type(node) == '%Q'
      check(node,
            'Do not use `%Q` unless interpolation is needed.  ' \
            'Use `%q`.')
    end
  elsif type(node) == '%q'
    check(node, 'Use `%Q` instead of `%q`.')
  end
end