fwdrefs   []*ssa.Value             // list of FwdRefs to be processed
	defvars   []map[ir.Node]*ssa.Value // defined variables at end of each block
	reachable []bool                   // which blocks are reachable
}

func (s *simplePhiState) insertPhis() {
	s.reachable = ssa.ReachableBlocks(s.f)

	// Find FwdRef ops.
	for _, b := range s.f.Blocks {
		for _, v := range b.Values {
			if v.Op != ssa.OpFwdRef {

//
// A finalizer may run as soon as an object becomes unreachable.
// In order to use finalizers correctly, the program must ensure that
// the object is reachable until it is no longer required.
// Objects stored in global variables, or that can be found by tracing
// pointers from a global variable, are reachable. A function argument or
// receiver may become unreachable at the last point where the function

	}).GetMatches(to)
}

// ReachableDestinations filters out known-unreachable destinations given a source.
// - from a naked pod, we can't reach cross-network endpoints or VMs
// - we can't reach cross-cluster headless endpoints
// - from an injected Pod, only non-naked cross-network endpoints are reachable
var ReachableDestinations CombinationFilter = func(from echo.Instance, to echo.Instances) echo.Instances {

			// Check if the endpoint is directly reachable. It's considered directly reachable if
			// the endpoint is either on the local network or on a remote network that can be reached
			// directly from the local network.
			if b.proxy.InNetwork(epNetwork) || len(gateways) == 0 {
				// The endpoint is directly reachable - just add it.
				// If there is no gateway, the address must not be empty

import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.function.Consumer;

/**
 * The set of nodes reachable from a particular finalizer node.
 */
public class FinalizerGroup extends HasFinalizers {
    private static final MemberSuccessors DO_NOT_BLOCK = new DoNotBlock();
    private final TaskNode node;

	TaintNodeNotReady = "node.kubernetes.io/not-ready"

	// TaintNodeUnreachable will be added when node becomes unreachable
	// (corresponding to NodeReady status ConditionUnknown)
	// and removed when node becomes reachable (NodeReady status ConditionTrue).
	TaintNodeUnreachable = "node.kubernetes.io/unreachable"

	// TaintNodeUnschedulable will be added when node becomes unschedulable
	// and removed when node becomes schedulable.

//
//   - The combined list of all endpoints reachable from this node (which is the union of the
//     previous two lists, but in the case where it is identical to one or the other, we avoid
//     allocating a separate list).
//
//   - An indication of whether the service has any endpoints reachable from anywhere in the
//     cluster. (This may be true even if allReachableEndpoints is empty.)

    const Graph& graph, const FunctionLibraryDefinition* function_library,
    const std::function<bool(const Graph& graph)>& predicate) {
  if (predicate(graph)) {
    return success();
  }

  // Check if any reachable functions from the graph has the target attribute.
  GraphDef graph_def;
  graph.ToGraphDef(&graph_def);
  if (!function_library) return failure();
  for (const std::string& func_name :

		return
	}
	writeResponse(w, http.StatusOK, nil, mimeNone)
}

// ReadinessCheckHandler checks whether MinIO is up and ready to serve requests.
// It also checks whether the KMS is available and whether etcd is reachable,
// if configured.
func ReadinessCheckHandler(w http.ResponseWriter, r *http.Request) {
	if objLayer := newObjectLayerFn(); objLayer == nil {

					"159.122.219.2": 4,

					// 3 endpoints on network 3, weights split across 2 gateways.
					"159.122.219.3": 3,
					"179.114.119.3": 3,

					// no gateway defined for network 4 - treat as directly reachable.
					"10.4.0.1": 2,
					"10.4.0.2": 2,
					"10.4.0.3": 2,
					"10.4.0.4": 2,
				},
			},
		},
		{
			// Verify that EDS from network2 will return 2 local endpoints with local VIPs + 2 remote