code: public synchronized void setComplete(boolean completed) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "setComplete", completed);
          this.completed = completed;
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "setComplete");
      }
docs: Sets whether we have set a response or not.
  
  @param completed