func ErrorPrioritizerExtender(pod *v1.Pod, nodes []*framework.NodeInfo) (*framework.NodeScoreList, error) {
	return &framework.NodeScoreList{}, fmt.Errorf("some error")
}

// Node1PrioritizerExtender implements PriorityFunc function to give score 10
// if the given node's name is "node1"; otherwise score 1.
func Node1PrioritizerExtender(pod *v1.Pod, nodes []*framework.NodeInfo) (*framework.NodeScoreList, error) {

	if !volumeExists || len(volumeObj.nodesAttachedTo) == 0 {
		return []types.NodeName{}
	}

	nodes := []types.NodeName{}
	for nodeName, nodesAttached := range volumeObj.nodesAttachedTo {
		if nodesAttached.attachedConfirmed {
			nodes = append(nodes, nodeName)
		}
	}
	return nodes
}

func (asw *actualStateOfWorld) GetVolumesToReportAttached(logger klog.Logger) map[types.NodeName][]v1.AttachedVolume {

	var visit func(node ast.Node) bool
	visit = func(node ast.Node) bool {
		path = append(path, node)

		nodePos := node.Pos()
		nodeEnd := node.End()

		// fmt.Printf("visit(%T, %d, %d)\n", node, nodePos, nodeEnd) // debugging

		// Intersect [start, end) with interval of node.
		if start < nodePos {
			start = nodePos
		}
		if end > nodeEnd {
			end = nodeEnd
		}

		// Find sole child that contains [start, end).

        SortedSet<Node> nodes = new TreeSet<>(NodeComparator.INSTANCE);
        for (Task task : tasks) {
            nodes.add(taskNodeFactory.getOrCreateNode(task));
        }
        doAddEntryNodes(nodes, ordinal);
    }

    public void addEntryNodes(Collection<? extends Node> nodes) {
        addEntryNodes(nodes, order++);
    }

    }
  }
  // BFS from nodes in 'inputs_' along out edges for the entire graph. Internal
  // output nodes are recorded during the traversal. All nodes that are output
  // nodes but not internal output nodes are considered the frontier of the
  // output nodes, and thus our stop backprop nodes.
  while (!queue.empty()) {
    std::pair<Node*, Node*> p = queue.front();

export E2E_STORAGE_TEST_ENVIRONMENT="${KUBE_E2E_STORAGE_TEST_ENVIRONMENT:-false}"

# Evict pods whenever compute resource availability on the nodes gets below a threshold.
EVICTION_HARD="${EVICTION_HARD:-memory.available<250Mi,nodefs.available<10%,nodefs.inodesFree<5%}"

# Optional: custom scheduling algorithm
SCHEDULING_ALGORITHM_PROVIDER="${SCHEDULING_ALGORITHM_PROVIDER:-}"

// Since <size> is at least 1 (all nodes that passed the Filters are in the
// same topology), and k8s supports 5k nodes, the result is in the interval
// <1.09, 8.52>.
//
// Note: <size> could also be zero when no nodes have the required topologies,
// however we don't care about topology weight in this case as we return a 0
// score for all nodes.
func topologyNormalizingWeight(size int) float64 {

// "bcbc", "x" and "xy" could have eight nodes:
//
//	n0  -
//	n1  a-
//	n2  .x+
//	n3  .y+
//	n4  b-
//	n5  .cbc+
//	n6  x+
//	n7  .y+
//
// n0 is the root node, and its children are n1, n4 and n6; n1's children are
// n2 and n3; n4's child is n5; n6's child is n7. Nodes n0, n1 and n4 (marked
// with a trailing "-") are partial keys, and nodes n2, n3, n5, n6 and n7

		}
		nodes := make(Nodes, len(lines))
		for ln := range lines {
			nodes[ln] = nm.findOrInsertLine(l, lines[ln], o)
		}
		locations.add(l.ID, nodes)
	}
	return nm.nodes(), locations
}

func (nm NodeMap) nodes() Nodes {
	nodes := make(Nodes, 0, len(nm))
	for _, n := range nm {
		nodes = append(nodes, n)
	}
	return nodes
}

      }
    }

    // Sometimes we have VariableShape nodes in while loop (after Enter nodes).
    // They won't be constant-folded because TensorFlow constant folding does
    // not handle Enter nodes (and thus does not handle any nodes after Enter
    // nodes). We try to replace such VariableShape nodes with Const nodes here.
    if (n->type_string() == "VariableShape") {