<role version="1.0">
 <releasetypes>extbin</releasetypes>
 <installable>1</installable>
 <locationconfig>ext_dir</locationconfig>
 <honorsbaseinstall>1</honorsbaseinstall>
 <unusualbaseinstall />
 <phpfile />
 <executable />
 <phpextension>1</phpextension>
 <config_vars />
</role>