heim_retain
array->val[array->len++] = heim_retain(object);
return heim_retain(array->val[idx]);
return heim_retain(p->value);
h->value = heim_retain(value);
h->key = heim_retain(key);
h->value = heim_retain(value);
void * heim_retain(heim_object_t);
heim_retain(ptr);
heim_retain(ptr);
p->path = heim_retain(spath);