in src/main/scala/ophan/google/index/checker/model/ContentSummary.scala [56:59]
def from(content: Content): Option[ContentSummary] = for {
fields <- content.fields
firstPublished <- fields.firstPublicationDate
} yield ContentSummary(content.id, Instant.ofEpochMilli(firstPublished.dateTime), URI.create(content.webUrl), content.webTitle)