GetNextSupportedChildType
status_t GetNextSupportedChildType(int32 *cookie,
while (parent->GetNextSupportedChildType(&cookie, &supportedType)
return parent->fDelegate->GetNextSupportedChildType(fDelegate, cookie,
return fDelegate->GetNextSupportedChildType(NULL, cookie, type);
status_t GetNextSupportedChildType(Delegate* child,
while (partition->GetNextSupportedChildType(&cookie, &typeBuffer)