public SimplifySpanBuild appendMultiClickableToFirst(SpecialClickableUnit specialClickableUnit, Object... specialUnitOrStrings) {
        processMultiClickableSpecialUnit(true, specialClickableUnit, specialUnitOrStrings);
        return this;
    }
public SimplifySpanBuild appendMultiClickableToFirst ( SpecialClickableUnit specialClickableUnit , Object ... specialUnitOrStrings ) { processMultiClickableSpecialUnit ( true , specialClickableUnit , specialUnitOrStrings ) ; return this ; }
append multi clickable SpecialUnit or String to first (Behind the existing BeforeContent)

@param specialClickableUnit SpecialClickableUnit
@param specialUnitOrStrings Unit Or String
@return