code: private void initInConstructor() {
          htmlStartSB = new StringBuilder(tagName == null ? 0
                  : tagName.length() + 2
                          + ((attributes == null ? 0 : attributes.length) * 16));
  
          htmlEndSB = new StringBuilder(
                  tagName == null ? 16 : tagName.length() + 3);
      }
docs: to initialize objects in the constructor
  
  @since 1.0.0
  @author WFF