The LanguageVersion datatype includes various settings.

Table: LanguageVersion

nameLanguageVersionEnum  The version of Human language to use: legacy, xdr1, or xdrdetects1. If non-null, it will be a version known by the current LogScale installation. See LanguageVersionEnum Table.
futureNamestring  If non-null, this is a version stored by a future LogScale version.
isKnownbooleanyes If false, this version isn't recognized by the current version of LogScale. It must have been stored by a future LogScale version, which can happen if LogScale was upgraded and subsequently downgraded.

[a] Some arguments may be required, as indicated in this column. For some fields, this column indicates that a result will always be returned for it.