code: public String[] getArray(@NotNull final String key) {
          final String string = getString(key);
          if (string != null) {
              if (string.charAt(0) == '{' || string.charAt(0) == '[') {
                  return new Gson().fromJson(string, String[].class);
              } else {
                  return string.split(ARRAY_SEP);
              }
          }
          return null;
      }
docs: Returns a list with the given key.
  
  If the property is not set then {@code null} will be returned.
  
  @param key the key to get from this
  {@link org.owasp.dependencycheck.utils.Settings}.
  @return the list or {@code null} if the key wasn't present.