MutableSpan.getLocalRootSpan()
Config.isIntegrationEnabled(SortedSet, boolean)
Config.isJmxFetchIntegrationEnabled(SortedSet, boolean)
io.opentracing.Span#setTag(String, boolean)
DDTags.MANUAL_KEEP
DDTags.MANUAL_DROP
Config.isTraceAnalyticsIntegrationEnabled(SortedSet, boolean)