super(_dummy, ptr);
long err = bindings.CResult_PaymentPreimageAPIErrorZ_get_err(ptr);
org.ldk.structs.APIError err_hu_conv = org.ldk.structs.APIError.constr_from_ptr(err);
super(_dummy, ptr);
long err = bindings.CResult_PaymentPreimageAPIErrorZ_get_err(ptr);
org.ldk.structs.APIError err_hu_conv = org.ldk.structs.APIError.constr_from_ptr(err);