repeatFlatMap.scala

  // reviewSummary is Option[ReviewSummary]
  lazy val expertScoreCount = reviewSummary flatMap { rs =>
    Option(rs.getExpertScoreCount) }
  lazy val expertReviewList = reviewSummary flatMap { rs =>
    Option(rs.getExpertReviews) }
  lazy val expertAverageScore = reviewSummary flatMap { rs =>
    Option(rs.getExpertAverageScore) }