code: public void setLargeIconInfo(CommandButtonIconInfo largeIconInfo) {
          if (largeIconInfo == null) {
              largeIconInfo = CommandButtonIconInfo.BLANK_ICON_INFO;
          }
          CommandButtonIconInfo old = this.largeIconInfo;
          this.largeIconInfo = largeIconInfo;
          firePropertyChange(LARGE_ICON_INFO_PROPERTY, old, this.largeIconInfo);
      }
docs: {@inheritDoc}