code: public List<String> getPropAsList(String key, String def) {
      return LIST_SPLITTER.splitToList(getProp(key, def));
    }
docs: Get the value of a property as a list of strings, using the given default value if the property is not set.
  
  @param key property key
  @param def default value
  @return value (the default value if the property is not set) associated with the key as a list of strings