// `vals` must point to an array of length at least `max_values` (ideally set
// to list_size from
// TF_OpKernelConstruction_GetAttrSize(ctx, attr_name, list_size,
// total_size)).
TF_CAPI_EXPORT extern void TF_OpKernelConstruction_GetAttrInt64List(
    TF_OpKernelConstruction* ctx, const char* attr_name, int64_t* vals,
    int max_vals, TF_Status* status);

// Interprets the named kernel construction attribute as float array and

    int64_t values[list_size];

    TF_Status* status = TF_NewStatus();
    EXPECT_TF_SIZE(/*attr_name*/ "Attr", /*expected_list_size*/ list_size,
                   /*expected_total_size*/ -1);
    TF_OpKernelConstruction_GetAttrInt64List(ctx, "Attr", values, list_size,
                                             status);
    EXPECT_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);
    EXPECT_TRUE(