/**
   * Returns the set of data that user has entered through this wizard.
   *
   * @return Iterator
   */
  public Iterator<Map.Entry<String, String>> getSummary() {
    Map<String, String> summaryTable = new Hashtable<String, String>();

    summaryTable.put("User ID", registration.getUserID());

    return summaryTable.entrySet().iterator();
  }
  /**
   * Defines the operations that will be executed when the user clicks on the wizard "Signin"
   * button.
   *
   * @return the created <tt>ProtocolProviderService</tt> corresponding to the new account
   * @throws OperationFailedException if the operation didn't succeed
   */
  public ProtocolProviderService signin() throws OperationFailedException {
    firstWizardPage.commitPage();

    return signin(registration.getUserID(), null);
  }