code: public final void setStyleProperty(StyleName styleName, String value) {
          if(styleProps == null) {
              styleProps = new HashMap<>();
          }
          styleProps.put(styleName, value);
      }
docs: Set a style property using its name as the key. Please ensure the style name and value
  are appropriately configured or it may result in unexpected behavior.
  
  @param styleName the style name as seen here {@link Style#STYLE_Z_INDEX} for example.
  @param value the string value required for the given style property.