code: public String getString(String name, String defaultValue) {
          String value = getProperties().getProperty(name, defaultValue);
          value = overrides.getProperty(name, value);
  
          return value;
      }
docs: Returns the string value for the specified name. If the name does not exist
  or the value for the name can not be interpreted as a string, the
  defaultValue is returned.
  
  @param name
  @param defaultValue
  @return name value or defaultValue