include protocol PTestDescendantSub;
include protocol PTestDescendantSubsub;

namespace mozilla {
namespace _ipdltest {

[ChildProc=any, ChildImpl=virtual, ParentImpl=virtual]
async protocol PTestDescendant {
    manages PTestDescendantSub; 
child:
    async PTestDescendantSub(nullable PTestDescendantSubsub dummy);

    async Test(PTestDescendantSubsub a);

    async __delete__();

parent:
    async Ok(PTestDescendantSubsub a);
};

}
}