llvm::SmallVector<TF::TPUReplicateMetadataOp, 4> metadata;
  getOperation()->walk(
      [&metadata](TF::TPUReplicateMetadataOp op) { metadata.push_back(op); });

  IntegerAttr num_cores_per_replica;
  if (metadata.size() == 1) {
    num_cores_per_replica = metadata.front().getNumCoresPerReplicaAttr();
  }

  auto result = getOperation()->walk([&num_cores_per_replica](Operation* op) {

  target.addLegalDialect<TFL::TensorFlowLiteDialect>();
  target.addLegalDialect<arith::ArithDialect>();

  if (failed(applyPartialConversion(getOperation(), target,
                                    std::move(patterns)))) {
    getOperation().emitError("Composite lowering pass failed.");
    signalPassFailure();
  }
}

}  // namespace

// Creates an instance of the pass.

  LogicalResult matchAndRewrite(OpTy op,
                                PatternRewriter& rewriter) const override {
    if (op.getOperation()->template hasTrait<OpTrait::IsTerminator>()) {
      return failure();
    }
    for (auto result : op.getOperation()->getOpResults()) {
      if (!result.use_empty()) {
        return failure();
      }
    }

    - output_attribute: istio_responseClass
      match:
      - value: 2xx
        condition: response.code >= 200 && response.code <= 299
    - output_attribute: istio_operationId
      match:
      - value: getoperation
        condition: request.method == 'GET'
    - output_attribute: istio_grpcResponseStatus
      match:
      - value: OK

        f.removeResultAttr(i, a.getName());
      }
    }
  }
}

void AddFunctionsForExportedNamesPass::runOnOperation() {
  Block& module_body = getOperation().getRegion().front();
  for (auto f :
       llvm::make_early_inc_range(getOperation().getOps<func::FuncOp>())) {
    auto exported_names = GetExportedNames(f);
    if (exported_names.empty() || !f.isPublic()) continue;

	// going to change the object, and attr.Object will be a DeleteOptions
	// rather than a namespace object.
	if attr.GetResource().Resource == "namespaces" &&
		len(attr.GetSubresource()) == 0 &&
		(attr.GetOperation() == admission.Create || attr.GetOperation() == admission.Update) {
		accessor, err := meta.Accessor(attr.GetObject())
		if err != nil {
			return nil, err
		}
		return accessor.GetLabels(), nil
	}

    }

    protected BuildOperationFailure(BuildOperation operation, String message, Throwable cause) {
        super(message, cause);
        this.operation = operation;
    }

    public BuildOperation getOperation() {
        return operation;
    }

    }
  }
}

void TpuV1BridgeExecutorIslandCoarsening::runOnOperation() {
  SymbolTable symbol_table(getOperation());

  // Map tpu cluster names to the functions that contain operations for this
  // cluster.
  DenseMap<StringRef, DenseSet<func::FuncOp>> tpu_funcs;
  for (func::FuncOp func_op : getOperation().getOps<func::FuncOp>()) {
    func_op.walk([&](Operation* op) {

                        .getOperation();
  tpu_copy_with_dynamic_shape_op->moveBefore(return_op);
  return success();
}

// Update all the usage of tf_device.return op with launch op result.
void UpdateReturnOpResultWithLaunchOpResult(tf_device::LaunchOp* launch_op) {
  auto operand_not_in_launch = [&](OpOperand& operand) {
    return !launch_op->getOperation()->isProperAncestor(operand.getOwner());
  };

  operands.push_back(operand);
  auto new_op = builder->create<OpT>(op->getLoc(), op->getResultTypes(),
                                     operands, attr.getAttrs());
  op->replaceAllUsesWith(new_op.getOperation()->getResults());
  op->erase();
  return new_op;
}

// Returns success if the function has at most one op of the template type and
// assigns it to `result`, if present. If there are multiple such ops, returns