class RuboCop::Cop::Layout::LineContinuationSpacing

def on_new_investigation
  return unless processed_source.raw_source.include?('\\')
  last_line = last_line(processed_source)
  processed_source.raw_source.lines.each_with_index do |line, index|
    break if index >= last_line
    line_number = index + 1
    investigate(line, line_number)
  end
end