code: private static Map<?, ?> mapOfEntries( Entry<?, ?>... entries ) {
          Map<Object, Object> looseTypedMap = new LinkedHashMap<>( entries.length );
          for (Entry<?, ?> entry : entries)
              looseTypedMap.put(entry.getKey(), entry.getValue());
          return looseTypedMap;
      }
docs: Relaxed implementation of the java 9 Map.ofEntries.
  LinkedHashMap ensures element order remains as supplied.
  @param entries array of Map.Entry elements
  @return a mutable, type relaxed LinkedHashMap