/usr/share/doc/libjsap-java/api/com/martiansoftware/jsap/ant/class-use/ is in libjsap-java-doc 2.1-3.
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/usr/share/doc/libjsap-java/api/com/martiansoftware/jsap/ant/class-use/DefaultValue.html
/usr/share/doc/libjsap-java/api/com/martiansoftware/jsap/ant/class-use/FlaggedOptionConfiguration.html
/usr/share/doc/libjsap-java/api/com/martiansoftware/jsap/ant/class-use/JSAPAntTask.html
/usr/share/doc/libjsap-java/api/com/martiansoftware/jsap/ant/class-use/OptionConfiguration.html
/usr/share/doc/libjsap-java/api/com/martiansoftware/jsap/ant/class-use/ParameterConfiguration.html
/usr/share/doc/libjsap-java/api/com/martiansoftware/jsap/ant/class-use/ParserProperty.html
/usr/share/doc/libjsap-java/api/com/martiansoftware/jsap/ant/class-use/SwitchConfiguration.html
/usr/share/doc/libjsap-java/api/com/martiansoftware/jsap/ant/class-use/UnflaggedOptionConfiguration.html