immutableSystemProperties.put(entry.getKey(), entry.getValue());
            }
        }
    }

    public Map<String, Object> getImmutableDaemonProperties() {
        return CollectionUtils.filter(immutableSystemProperties, element ->
            IMMUTABLE_DAEMON_SYSTEM_PROPERTIES.contains(element.getKey())
        );
    }

    @Override

        GUtil.addToMap(systemProperties, System.getProperties());
        GUtil.addToMap(systemProperties, jvmOptions.getMutableSystemProperties());
        GUtil.addToMap(systemProperties, jvmOptions.getImmutableDaemonProperties());
        return systemProperties;
    }

    public Map<String, String> getMutableAndImmutableSystemProperties() {
        Map<String, String> systemProperties = new HashMap<String, String>();