|group_class|string|Type of group. This does not affect behavior, but determines how the group is presented in the user interface. For example, @project@ indicates that the group should be displayed by Workbench and arv-mount as a project for organizing and naming objects.|@"project"@
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|description|text|||
+|writable_by|array|List of UUID strings identifying Users and other Groups that have write permission for this Group. Only users who are allowed to administer the Group will receive a full list. Other users will receive a partial list that includes the Group's owner_uuid and (if applicable) their own user UUID.||