}

// pathEnvName returns the platform-specific variable used by os/exec.LookPath
// to look up executable names (either "PATH" or "path").
//
// TODO(bcmills): Investigate whether we can instead use PATH uniformly and
// rewrite it to $path when executing subprocesses.
func pathEnvName() string {
	switch runtime.GOOS {
	case "plan9":
		return "path"
	default:
		return "PATH"

  // The SCCP pass performs constant propagation across the IR, which, for
  // example, propagates constant arguments into callee functions.
  // TODO(hinsu): Investigate if we really need SCCP pass before shape inference
  // and can do with just one pass after the shape inference.
  pm.addPass(mlir::createSCCPPass());
  // Guarantee all functions have one use, which enables shape inference.

    Iterator<? extends V> iterator = values.iterator();
    if (!iterator.hasNext()) {
      return removeAll(key);
    }

    // TODO(lowasser): investigate atomic failure?
    Collection<V> collection = getOrCreateCollection(key);
    Collection<V> oldValues = createCollection();
    oldValues.addAll(collection);

    totalSize -= collection.size();

		}

		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

For more information about the build cache, check out the
<<build_cache_use_cases.adoc#use_cases_cache,build cache documentation>>.

=== Visualize the build cache with build scans

Build scans can help you investigate build cache effectiveness.
In the performance screen, the _"Build cache"_ tab shows you statistics about:

* how many tasks interacted with a cache
* which cache was used

    Iterator<? extends V> iterator = values.iterator();
    if (!iterator.hasNext()) {
      return removeAll(key);
    }

    // TODO(lowasser): investigate atomic failure?
    Collection<V> collection = getOrCreateCollection(key);
    Collection<V> oldValues = createCollection();
    oldValues.addAll(collection);

    totalSize -= collection.size();

  cleanup_makefile()
  setup_python(environ_cp)

  if is_windows():
    environ_cp['TF_NEED_OPENCL'] = '0'
    environ_cp['TF_CUDA_CLANG'] = '0'
    # TODO(ibiryukov): Investigate using clang as a cpu or cuda compiler on
    # Windows.
    environ_cp['TF_DOWNLOAD_CLANG'] = '0'
    environ_cp['TF_NEED_MPI'] = '0'

  if is_macos():
    environ_cp['TF_NEED_TENSORRT'] = '0'

		if exit {
			logger.Fatal(err, "Unable to initialize backend")
		}
	default:
		if !exit {
			storageLogOnceIf(GlobalContext, fmt.Errorf("Drive %s returned an unexpected error: %w, please investigate - drive will be offline", endpoint, err), "log-fatal-errs")
		} else {
			logger.Fatal(err, "Unable to initialize backend")
		}
	}
}

// StatInfoFile returns file stat info.

// service catalog.mystore.com
//
//	--> 172.16.0.1:55446 (with ServicePort pointing to 80) and
//	--> 172.16.0.1:33333 (with ServicePort pointing to 8080)
//
// TODO: Investigate removing ServiceInstance entirely.
type IstioEndpoint struct {
	// Labels points to the workload or deployment labels.
	Labels labels.Instance

	// Address is the address of the endpoint, using envoy proto.

        if (userDefinedLocalRepo != null) {
            return userDefinedLocalRepo;
        }

        // TODO Investigate why this can also be a Java system property and not just a Maven user property like
        // other properties
        return request.getSystemProperties().getProperty(MavenCli.LOCAL_REPO_PROPERTY);
    }