|current_version_uuid|string|UUID of the collection's current version. On new collections, it'll be equal to the @uuid@ attribute.||
|version|number|Version number, starting at 1 on new collections. This attribute is read-only.||
|preserve_version|boolean|When set to true on a current version, it will be saved on the next versionable update.||
-|file_count|number|The total number of files in the collection. ||
-|file_size_total|number|The sum of the file sizes in the collection. ||
+|file_count|number|The total number of files in the collection. This attribute is read-only.||
+|file_size_total|number|The sum of the file sizes in the collection. This attribute is read-only.||
h3. Conditions of creating a Collection