// we're fully on Karaf 4 only, as a comment in BUG-6787 indicates that (in Karaf 4) :
// "the 'installed' Map of FeaturesServiceImpl .. appears to be correctly synchronized/thread-safe".
// (Or, if it's still NOK, then it could be fixed properly upstream in Karaf once we're on recent.)
// we're fully on Karaf 4 only, as a comment in BUG-6787 indicates that (in Karaf 4) :
// "the 'installed' Map of FeaturesServiceImpl .. appears to be correctly synchronized/thread-safe".
// (Or, if it's still NOK, then it could be fixed properly upstream in Karaf once we're on recent.)