class RuboCop::Cop::Style::FormatStringToken

def on_str(node)
  return if format_string_token?(node) || use_allowed_method?(node)
  detections = collect_detections(node)
  return if detections.empty?
  return if allowed_unannotated?(detections)
  detections.each do |detected_sequence, token_range|
    check_sequence(detected_sequence, token_range)
  end
end