code: public SimplifySpanBuild appendMultiClickable(SpecialClickableUnit specialClickableUnit, Object... specialUnitOrStrings) {
          processMultiClickableSpecialUnit(false, specialClickableUnit, specialUnitOrStrings);
          return this;
      }
docs: append multi clickable SpecialUnit or String
  
  @param specialClickableUnit SpecialClickableUnit
  @param specialUnitOrStrings Unit Or String
  @return