Allows selecting different values for different Gray Paper versions from one record.
fallback The default value to return if no value is found for the current.
versions A record mapping versions to values, checking if the version is greater or equal to the current version.
Allows selecting different values for different Gray Paper versions from one record.
fallback The default value to return if no value is found for the current. versions A record mapping versions to values, checking if the version is greater or equal to the current version.