code: protected JComponent createFormControl() {
          TableFormBuilder formBuilder = new TableFormBuilder( getBindingFactory() );
          usernameField = formBuilder.add( LoginDetails.PROPERTY_USERNAME )[1];
          formBuilder.row();
          passwordField = formBuilder.addPasswordField( LoginDetails.PROPERTY_PASSWORD )[1];
          return formBuilder.getForm();
      }
docs: Construct the form with the username and password fields.