text: #ifndef MAINWIDGET_H_INCLUDED
  #define MAINWIDGET_H_INCLUDED
  
  #include <stddef.h>
  
  typedef struct JSaddleCallbacks {
    void (* jsaddleStart) ();
    void (* jsaddleResult) (const char *, size_t);
    void (* jsaddleSyncResult) (const char *, size_t, const char**, size_t*);
    char * jsaddleJsData;
  } JSaddleCallbacks;
  
  #endif
  