code: @Override
      public ThreadContext captureThreadContext(Map<String, String> execProps, Map<String, ?> threadContextConfig) {
          throw new UnsupportedOperationException("captureThreadContext");
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.wsspi.threadcontext.ThreadContextProvider#captureThreadContext(java.util.Map, java.util.Map)