@CanIgnoreReturnValue
  Map<K, V> convertToHashFloodingResistantImplementation() {
    Map<K, V> newDelegate = createHashFloodingResistantDelegate(hashTableMask() + 1);
    for (int i = firstEntryIndex(); i >= 0; i = getSuccessor(i)) {
      newDelegate.put(key(i), value(i));
    }
    this.table = newDelegate;
    this.entries = null;
    this.keys = null;
    this.values = null;
    incrementModCount();
    return newDelegate;

  }

  @CanIgnoreReturnValue
  Set<E> convertToHashFloodingResistantImplementation() {
    Set<E> newDelegate = createHashFloodingResistantDelegate(hashTableMask() + 1);
    for (int i = firstEntryIndex(); i >= 0; i = getSuccessor(i)) {
      newDelegate.add(element(i));
    }
    this.table = newDelegate;
    this.entries = null;
    this.elements = null;
    incrementModCount();
    return newDelegate;
  }

  }

  @CanIgnoreReturnValue
  Set<E> convertToHashFloodingResistantImplementation() {
    Set<E> newDelegate = createHashFloodingResistantDelegate(hashTableMask() + 1);
    for (int i = firstEntryIndex(); i >= 0; i = getSuccessor(i)) {
      newDelegate.add(element(i));
    }
    this.table = newDelegate;
    this.entries = null;
    this.elements = null;
    incrementModCount();
    return newDelegate;
  }

  @CanIgnoreReturnValue
  Map<K, V> convertToHashFloodingResistantImplementation() {
    Map<K, V> newDelegate = createHashFloodingResistantDelegate(hashTableMask() + 1);
    for (int i = firstEntryIndex(); i >= 0; i = getSuccessor(i)) {
      newDelegate.put(key(i), value(i));
    }
    this.table = newDelegate;
    this.entries = null;
    this.keys = null;
    this.values = null;
    incrementModCount();
    return newDelegate;

  if (!abstractOp) return false;
  return ops->count(abstractOp->getTypeID()) != 0;
}

// Gets the successors of an op wrapped in a tf_executor.island.
llvm::SmallVector<Operation*> GetSuccessors(Operation* op) {
  llvm::SmallVector<Operation*> successors;
  for (auto result : op->getParentOp()->getOpResults()) {
    for (auto& use : result.getUses()) {
      auto succ = use.getOwner();

    // OperationState so we can add regions to the new up.
    OperationState state(op->getLoc(), op->getName().getStringRef(), operands,
                         new_results, op->getAttrs(), op->getSuccessors());
    for (Region &region : op->getRegions()) {
      Region &new_region = *state.addRegion();
      rewriter.inlineRegionBefore(region, new_region, new_region.begin());

          "{0}.{1}", TF::TensorFlowDialect::getDialectNamespace(), op_name);
      OperationState state =
          OperationState(loc, tf_op_name, inner_op_operands, new_types, attrs,
                         op->getSuccessors(), new_regions);
      inner_op = rewriter.create(state);
    } else {
      bool disable_call_shape_inference = false;
      if (op->hasAttr("_disable_call_shape_inference")) {
        disable_call_shape_inference =

  OpBuilder builder(op);
  Operation *new_op = Operation::create(
      op->getLoc(), op->getName(), new_result_types, op->getOperands(),
      op->getAttrs(), op->getPropertiesStorage(), op->getSuccessors(),
      op->getNumRegions());
  builder.insert(new_op);

  // Move region bodies to the new operation.
  for (auto it : llvm::zip(op->getRegions(), new_op->getRegions())) {