Reference.reachabilityFence(o);
if (ret >= 0 && ret <= 4096) { return null; }
org.ldk.structs.Option_WriteableScoreZ ret_hu_conv = org.ldk.structs.Option_WriteableScoreZ.constr_from_ptr(ret);
Reference.reachabilityFence(o);
if (ret >= 0 && ret <= 4096) { return null; }
org.ldk.structs.Option_WriteableScoreZ ret_hu_conv = org.ldk.structs.Option_WriteableScoreZ.constr_from_ptr(ret);