class RuboCop::Cop::Layout::EmptyLineAfterMagicComment

def on_new_investigation
  return unless processed_source.ast &&
                (last_magic_comment = last_magic_comment(processed_source))
  return if processed_source[last_magic_comment.loc.line].strip.empty?
  offending_range = offending_range(last_magic_comment)
  add_offense(offending_range) do |corrector|
    corrector.insert_before(offending_range, "\n")
  end
end