docs: public Object endContext() {
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
              Map<URL, ModuleMetaData> mmdi = getModuleMetaDataMap();
              ModuleMetaData mmd = ((mmdi != null) && !mmdi.isEmpty()) ? mmdi.values().iterator().next() : null;
              Tr.debug(tc, "end context " + (mmd == null ? null : mmd.getJ2EEName()));
          }
          return threadContext.endContext();
      }