in mobile-save-for-later/src/main/scala/com/gu/sfl/savedarticles/UpdateSavedArticles.scala [15:18]
def save(headers: Map[String, String], savedArticles: SavedArticles) : Future[Either[SaveForLaterError, SavedArticles]]
}
class UpdateSavedArticlesImpl(identityService: IdentityService, savedArticlesMerger: SavedArticlesMerger)(implicit executionContext: ExecutionContext) extends UpdateSavedArticles with Logging with AuthHeaderParser {