code: protected void performActions(List<HttpMessage> httpMessages) {
          for (HttpMessage httpMessage : httpMessages) {
              if (httpMessage != null) {
                  performAction(httpMessage);
              }
          }
      }
docs: Performs the actions on all the the given messages.
  <p>
  Defaults to call the method {@code performAction(HttpMessage)} for each message (with the message as parameter).
  </p>
  <p>
  Normally overridden if other implementations of {@code HttpMessageContainer} are supported (or not the desired
  behaviour).
  </p>
  
  @param httpMessages the messages that will be used to perform the actions
  @see #performAction(HttpMessage)