mavenBundle("org.slf4j", "log4j-over-slf4j").versionAsInProject(), //
mavenBundle("ch.qos.logback", "logback-core").versionAsInProject(), //
mavenBundle("ch.qos.logback", "logback-classic").versionAsInProject(), //
systemProperty("osgi.bundles.defaultStartLevel").value("4"),
mavenBundle("org.slf4j", "log4j-over-slf4j").versionAsInProject(), //
mavenBundle("ch.qos.logback", "logback-core").versionAsInProject(), //
mavenBundle("ch.qos.logback", "logback-classic").versionAsInProject(), //
systemProperty("osgi.bundles.defaultStartLevel").value("4"),