@Path("permissions")
    public PermissionSetResource getPermissions() {
        return new PermissionSetResource(getInternalObject());
    }
Returns a resource which abstracts operations available on the overall
permissions granted directly to the UserGroup represented by this
UserGroupResource.

@return
    A resource which represents the permissions granted to the
    UserGroup represented by this UserGroupResource.
guacamole/src/main/java/org/apache/guacamole/rest/usergroup/UserGroupResource.java