klog.V(4).Info(log("probing for updates from CSI driver for [attachment.ID=%v]", attachID))

	timer := time.NewTimer(timeout) // TODO (vladimirvivien) investigate making this configurable
	defer timer.Stop()

	return c.waitForVolumeAttachmentInternal(volumeHandle, attachID, timer, timeout)
}

// forwarding declarations. Underlying types are never Named, TypeParam, or
// Alias types.
//
// [underlying type]: https://go.dev/ref/spec#Underlying_types.
func (t *Named) Underlying() Type {
	// TODO(gri) Investigate if Unalias can be moved to where underlying is set.
	return Unalias(t.resolve().underlying)
}

func (t *Named) String() string { return TypeString(t, nil) }

  // is safe, as only TF dist-strat can produce distributed ops, and we
  // can rely on TF dist-strat invariants.
  options.launch_id = 1;
  // TODO(b/293186653): investigate we should turn on strict shape checking for
  // GPU.
  if (device_type == DEVICE_GPU) {
    options.strict_shape_checking = false;
  }
  // Note: TF does not use PJRT host callbacks as of today. Setting this option

	// by testenv.Command will cause the test to hang indefinitely, but that's
	// what “no deadline” means, after all — and it's probably the right behavior
	// anyway if someone is trying to investigate and fix the GDB bug.
	cmd.Cancel = func() error {
		t.Logf("GDB command timed out after %v: %v", time.Since(start), cmd)
		return cmd.Process.Kill()
	}

	got, err := cmd.CombinedOutput()

		// 	type A T[B]
		// 	type B = T[A]
		//
		// TypeName A has Type Named during checking, but by
		// the time the unified export data is written out,
		// its Type is Invalid.
		//
		// Investigate and reenable this branch.
		for _, obj := range objList {
			check.objDecl(obj, nil)
		}
	} else {
		// Without Alias nodes, we process non-alias type declarations first, followed by

// forwarding declarations. Underlying types are never Named, TypeParam, or
// Alias types.
//
// [underlying type]: https://go.dev/ref/spec#Underlying_types.
func (t *Named) Underlying() Type {
	// TODO(gri) Investigate if Unalias can be moved to where underlying is set.
	return Unalias(t.resolve().underlying)
}

func (t *Named) String() string { return TypeString(t, nil) }

		// 	type A T[B]
		// 	type B = T[A]
		//
		// TypeName A has Type Named during checking, but by
		// the time the unified export data is written out,
		// its Type is Invalid.
		//
		// Investigate and reenable this branch.
		for _, obj := range objList {
			check.objDecl(obj, nil)
		}
	} else {
		// Without Alias nodes, we process non-alias type declarations first, followed by

		// Handle pod resize here instead of doing it in HandlePodUpdates because
		// this conveniently retries any Deferred resize requests
		// TODO(vinaykul,InPlacePodVerticalScaling): Investigate doing this in HandlePodUpdates + periodic SyncLoop scan
		//     See: https://github.com/kubernetes/kubernetes/pull/102884#discussion_r663160060

        bias_fn,
        activation_fn,
        has_batch_norm,
        strides,
        dilations,
        'SAME',
        has_func_alias,
    )
    # TODO: b/331809306 - Investigate why these test fail then re-enable.
    if has_batch_norm and (bias_fn or not input_shape_dynamic):
      return

    # TODO: b/331120943 - Re-enable this after correctly handling quantization

		}

		if check.conf.EnableAlias {
			// TODO(gri) Should be able to use nil instead of Typ[Invalid] to mark
			//           the alias as incomplete. Currently this causes problems
			//           with certain cycles. Investigate.
			//
			// NOTE(adonovan): to avoid the Invalid being prematurely observed
			// by (e.g.) a var whose type is an unfinished cycle,
			// Unalias does not memoize if Invalid. Perhaps we should use a