@Override
    public void removeObjects(Set<String> identifiers) throws GuacamoleException {
        throw new GuacamoleSecurityException("Permission denied.");
    }
Replaces the Set of object identifiers which backs this
SimpleRelatedObjectSet. Future function calls on this
SimpleRelatedObjectSet will instead use the provided Set.

@param identifiers
    The Set containing the identifiers of all objects which should be
    present within this SimpleRelatedObjectSet.
guacamole-ext/src/main/java/org/apache/guacamole/net/auth/simple/SimpleRelatedObjectSet.java