text: #ifndef __NP_INFERENCE_SYS_DIRRECTOR_H__
  #define __NP_INFERENCE_SYS_DIRRECTOR_H__
  #include <inference_sys.h>
  #include <inference_sys_director.h>
  #include <inference_sys_builder.h>
  
  class NPInferenceSysDirector : public InferenceSysDirector
  {
  public:
    NPInferenceSysDirector(InferenceSysBuilder *build);
    virtual InferenceSys *create_inferenceSys();
  
  private:
    InferenceSysBuilder *builder_;
  };
  
  #endif