class UserAgent::Browsers::Base

def to_h
  return unless application
  hash = {
    :browser => browser,
    :platform => platform,
    :os => os,
    :mobile => mobile?,
    :bot => bot?,
  }
  if version
    hash[:version] = version.to_a
  else
    hash[:version] = nil
  end
  if comment = application.comment
    hash[:comment] = comment.dup
  else
    hash[:comment] = nil
  end
  hash
end