112a9d9c8Sopenharmony_ciclass nsISupports { 212a9d9c8Sopenharmony_cipublic: 312a9d9c8Sopenharmony_ci virtual nsISupports* QueryInterface(); 412a9d9c8Sopenharmony_ci}; 512a9d9c8Sopenharmony_ci 612a9d9c8Sopenharmony_ciclass nsIRunnable : public nsISupports {}; 712a9d9c8Sopenharmony_ci 812a9d9c8Sopenharmony_ciclass Runnable : public nsIRunnable {}; 9