var hopHeaders = []string{
	"Connection",
	"Proxy-Connection", // non-standard but still sent by libcurl and rejected by e.g. google
	"Keep-Alive",
	"Proxy-Authenticate",
	"Proxy-Authorization",
	"Te",      // canonicalized version of "TE"
	"Trailer", // not Trailers per URL above; https://www.rfc-editor.org/errata_search.php?eid=4522
	"Transfer-Encoding",
	"Upgrade",
}

  (TF_LogOp:$src (TF_SoftmaxOp $arg)), (TF_LogSoftmaxOp:$dest $arg), [],
  [(CopyAttrs $src, $dest)]>;

// Canonicalize: Log(1.0 + x) to Log1p(x)
//
// We currently do this rewrite only if the constant `1` is a scalar, because
// it is safely broadcastable to any shape. To be able to canonicalize when
// constant values is not a scalar, we have to first prove that it is

// RUN: tfr-opt %s -canonicalize="test-convergence" -verify-diagnostics -split-input-file | FileCheck %s

// Tests for ops with canonicalization patterns.

// CHECK-LABEL: get_real_shape
func.func @get_real_shape(%arg0: tensor<1x2xf32>) -> tensor<2xindex> {
  %0 = "tfr.cast"(%arg0) : (tensor<1x2xf32>) -> !tfr.tensor
  %1 = tfr.get_shape %0 -> !shape.shape
  %2 = shape.to_extent_tensor %1 : !shape.shape -> tensor<2xindex>
  func.return %2 : tensor<2xindex>

			invp := InvalidPart{
				PartNumber: part.PartNumber,
				GotETag:    part.ETag,
			}
			return oi, invp
		}
		expPart := currentFI.Parts[partIdx]

		// ensure that part ETag is canonicalized to strip off extraneous quotes
		part.ETag = canonicalizeETag(part.ETag)
		expETag := tryDecryptETag(objectEncryptionKey, expPart.ETag, kind == crypto.S3)
		if expETag != part.ETag {
			invp := InvalidPart{

// RUN: tf-opt -canonicalize=test-convergence -tfl-runtime-verify -split-input-file -verify-diagnostics %s | FileCheck %s

// CHECK-LABEL: @squeeze_folder
func.func @squeeze_folder(%arg0 : tensor<?x?xf32>) -> tensor<?x?xf32> {
  %0 = "tfl.squeeze"(%arg0) : (tensor<?x?xf32>) -> tensor<?x?xf32>
  // CHECK: return %arg0
  func.return %0 : tensor<?x?xf32>
}

// -----

// CHECK-LABEL: @squeeze_folder

	// operations on 64-bit registers, which is much faster than
	// bytewise processing.
	addr uint128

	// Details about the address, wrapped up together and canonicalized.
	z unique.Handle[addrDetail]
}

// addrDetail represents the details of an Addr, like address family and IPv6 zone.
type addrDetail struct {
	IsV6   bool   // IPv4 is false, IPv6 is true.

	for _, from := range replaceFrom {
		to := overlayJSON.Replace[from]
		// Canonicalize paths and check for a collision.
		if from == "" {
			return fmt.Errorf("empty string key in overlay file Replace map")
		}
		cfrom := canonicalize(from)
		if to != "" {
			// Don't canonicalize "", meaning to delete a file, because then it will turn into ".".
			to = canonicalize(to)
		}
		if otherFrom, seen := reverseCanonicalized[cfrom]; seen {

            for (String subkey : subkeys) {
                try {
                    String basePath = baseKey + REGISTRY_ROOTPATH_SDK + "\\" + subkey;
                    File sdkDir = FileUtils.canonicalize(new File(windowsRegistry.getStringValue(WindowsRegistry.Key.HKEY_LOCAL_MACHINE, basePath, REGISTRY_FOLDER)));

	// Canonicalize allows an object to be mutated into a canonical form. This
	// ensures that code that operates on these objects can rely on the common
	// form for things like comparison.  Canonicalize is invoked after
	// validation has succeeded but before the object has been persisted.
	// This method may mutate the object.
	Canonicalize(obj runtime.Object)

            .map(InstallationSupplier::get)
            .flatMap(Set::stream)
            .filter(this::installationExists)
            .map(this::canonicalize)
            .map(this::maybeGetEnclosedInstallation)
            .filter(this::installationHasExecutable)
            .filter(distinctByKey(InstallationLocation::getLocation))
            .collect(Collectors.toSet());