int aIndex = 0;
Map<String, String> aGeneralConfig = new HashMap<String, String>();
Map<String, Map<String, String>> aUnitConfig = new HashMap<String, Map<String, String>>();
while (aProps.containsKey(aIndex+"."+KEY_NAME)) {
String aPrefix = aIndex+".";
Map<String, String> aUnit = new HashMap<String, String>();
for (Object aOrigKey : Collections2.filter(aProps.keySet(), new PrefixPredicate(aPrefix))) {
String aKey = aOrigKey.toString();