public void setSystemPermissions(Set<SystemPermission.Type> systemPermissions) {
        this.systemPermissions = systemPermissions;
    }
Replaces the current set of system-level permissions with the given set.
If no system-level permissions are granted, the empty set must be
specified.

@param systemPermissions
    The set which must replace the currently-stored set of permissions.
guacamole/src/main/java/org/apache/guacamole/rest/permission/APIPermissionSet.java