<obfuscate mainclass="com.mycompany.myapp.Main"

 replaceclassnamestrings="true"

 logfile="log.xml.gz">

 <inoutpair in="classes.jar" out="classes_obf.jar"/>

 <inoutpair in="utils.jar" out="utils_obf.jar"/>

 <!-- don't let the obfuscator remove the "Deprecated" -->

 <!-- attributes from the .class file entries -->

 <expose>

 <class classes="protected" 

 methods="protected" 

 fields="protected"/>

 <attribute name="Deprecated"/>

 </expose>

 </obfuscate>