public static List<String> getPropertyNames() {
        if (properties == null) {
            if (isSetupMode()) {
                return new ArrayList<>();
            }
            properties = JiveProperties.getInstance();
        }
        return new ArrayList<>(properties.getPropertyNames());
    }
Returns all Jive property names.

@return a List of all property names (Strings).
xmppserver/src/main/java/org/jivesoftware/util/JiveGlobals.java