f:CodeSystem
url: minimum cardinality of 'url' is 1
version: minimum cardinality of 'version' is 1
title: minimum cardinality of 'title' is 1
experimental: minimum cardinality of 'experimental' is 1
description: minimum cardinality of 'description' is 1
caseSensitive: minimum cardinality of 'caseSensitive' is 1