docs: public static String[] merge(final String[] input, final String[] list) {
          final List<String> v = new ArrayList<String>(Arrays.asList(list));
          for (final String anInput : input) {
              if ((null != anInput) && !v.contains(anInput)) {
                  v.add(anInput);
              }
          }
          return v.toArray(new String[v.size()]);
      }