public void addConditionGuard(String expression, String tagPath, String[] formRoles, String[] userRoles) {
this.guards.add(new ConditionGuard(expression, tagPath, formRoles, userRoles));
}
public void addVarGuard(String var, String tagPath, String[] formRoles, String[] userRoles) {
this.guards.add(new VarGuard(var, tagPath, formRoles, userRoles));
}