docs: public final DoubleProperty rowHeightProperty() {
          if (rowHeight == null) {
              rowHeight = new StyleableDoubleProperty(20) {
  
                  @Override
                  public CssMetaData<AllDayView, Number> getCssMetaData() {
                      return StyleableProperties.ROW_HEIGHT;
                  }
  
                  @Override
                  public Object getBean() {
                      return AllDayView.this;
                  }
  
                  @Override
                  public String getName() {
                      return "rowHeight"; //$NON-NLS-1$
                  }
              };
          }
  
          return rowHeight;
      }