code: private Component createUpperRightComponent() {
  
          HorizontalLayout upperRight = new HorizontalLayout();
          upperRight.setSizeFull();
  
          FormLayout fileNameDisplay = new FormLayout();
          fileNameDisplay.setDefaultComponentAlignment(Alignment.MIDDLE_LEFT);
          fileNameDisplay.setSizeFull();
  
          m_filePathField = new TextField();
          m_filePathField.setWidth("100%");
          m_filePathField.setEnabled(true);
          m_filePathField.setReadOnly(true);
  
          fileNameDisplay.addComponent(m_filePathField);
          fileNameDisplay.setSpacing(true);
  
          FormLayout filePathDisplay = new FormLayout();
          filePathDisplay.setDefaultComponentAlignment(Alignment.MIDDLE_LEFT);
          filePathDisplay.setSizeFull();
          filePathDisplay.addComponent(m_filePathField);
          filePathDisplay.setSpacing(true);
  
          upperRight.addComponent(filePathDisplay);
          upperRight.setExpandRatio(filePathDisplay, 2f);
  
          HorizontalLayout placeHolder = new HorizontalLayout();
          placeHolder.setWidth(CmsMessageBundleEditorTypes.OPTION_COLUMN_WIDTH_PX);
          upperRight.addComponent(placeHolder);
  
          return upperRight;
      }
docs: Creates the upper right component of the options grid.
  Creation includes the initialization of {@link #m_filePathField}.
  
  @return the upper right component in the options grid.