Both [org.elasticsearch.xpack.unsignedlong.DocValuesWhitelistExtension](https://github.com/elastic/elasticsearch/blob/master/x-pack/plugin/mapper-unsigned-long/src/main/java/org/elasticsearch/xpack/unsignedlong/DocValuesWhitelistExtension.java) [org.elasticsearch.xpack.versionfield.VersionFieldDocValuesExtension](https://github.com/elastic/elasticsearch/blob/master/x-pack/plugin/mapper-version/src/main/java/org/elasticsearch/xpack/versionfield/VersionFieldDocValuesExtension.java) Are only available in certain contexts. We should expand the number of contexts in which they are available
Both
org.elasticsearch.xpack.unsignedlong.DocValuesWhitelistExtension
org.elasticsearch.xpack.versionfield.VersionFieldDocValuesExtension
Are only available in certain contexts. We should expand the number of contexts in which they are available