SmallVector<int64_t, 4> new_shape(permutation.size());
    for (size_t i = 0; i < permutation.size(); ++i)
      new_shape[i] = shape[permutation[i]];

    return RankedTensorType::get(new_shape, ranked_type.getElementType());
  }

  return type;
}

bool AreCancellablePermutations(DenseIntElementsAttr perm0,
                                DenseIntElementsAttr perm1) {

}

ExpressedToQuantizedConverter ExpressedToQuantizedConverter::forInputType(
    Type input_type) {
  if (isa<TensorType, VectorType>(input_type)) {
    Type element_type = cast<ShapedType>(input_type).getElementType();
    if (!isQuantizablePrimitiveType(element_type))
      return ExpressedToQuantizedConverter{input_type, nullptr};
    return ExpressedToQuantizedConverter{input_type, element_type};
  }

// Returns true if it is a shaped type of f32 elements.
inline bool IsF32ShapedType(Type t) {
  if (auto shaped_type = mlir::dyn_cast_or_null<ShapedType>(t)) {
    return shaped_type.getElementType().isF32();
  }
  return false;
}

// Return true when the given element_type is QI8.
inline bool IsQI8Type(Type t) {
  auto quantized_type = quant::QuantizedType::getQuantizedElementType(t);

  auto original = mlir::dyn_cast<ShapedType>(original_ty);

  // Both types must be shaped types.
  if (!original || !updated) return false;

  // Element types must match.
  if (original.getElementType() != updated.getElementType()) return false;

  // If the updated type doesn't have a rank, then it can't be a more refined
  // type.
  if (!updated.hasRank()) return false;

import java.util.Collection;

public interface CollectionPropertyInternal<T, C extends Collection<T>> extends PropertyInternal<C>, HasMultipleValues<T>, CollectionProviderInternal<T, C> {
    @Override
    Class<T> getElementType();

    /**
     * Adds an element to the property value.
     *
     * <p>
     * When invoked on a property with no value, this method first sets the value

// similar. Move to common utils.
bool IsResourceType(Type type) {
  return type.isa<TF::ResourceType>() ||
         (type.isa<TensorType>() &&
          type.cast<TensorType>().getElementType().isa<TF::ResourceType>());
}

SmallVector<Value> GetAccessedResources(Operation& op) {
  SmallVector<Value, 4> accessed_resources;
  for (auto operand : op.getOperands()) {

// given `rank`.
inline bool IsOfRankedFloatTensorType(RankedTensorType type, int rank) {
  return type && type.getRank() == rank &&
         mlir::isa<FloatType>(type.getElementType());
}

// Returns true if the given `value` has the specified rank or has unranked
// type.
inline bool IsOfRankOrUnranked(Value value, int64_t rank) {
  RankedTensorType type = GetRankedTensorTypeForOperand(value);

            // In the end, match the vararg parameter, if it is there:
            varargParameter.map(parameterInfo -> Stream.of(new ParameterMatchEntry(parameterInfo.getParameterType().getElementType(), VARARG))).orElseGet(Stream::empty)
        ).flatMap(Function.identity()).collect(Collectors.toList());
    }

                                                     res_attr);
  return success();
}

static LogicalResult FoldDivOp(stablehlo::DivOp op, PatternRewriter& rewriter) {
  auto etype = op.getType().getElementType();
  if (etype.isa<FloatType>()) {
    return FoldDivOpInternal<APFloat>(op, rewriter);
  }
  if (etype.isa<IntegerType>()) {
    return FoldDivOpInternal<APInt>(op, rewriter);
  }
  return failure();

  const int identity =
      (std::is_same<OpT, MulOp>::value || std::is_same<OpT, DivOp>::value ||
       std::is_same<OpT, RealDivOp>::value)
          ? 1
          : 0;

  Type element_ty = lhs_type.getElementType();
  Attribute identity_attr;
  if (auto ty = mlir::dyn_cast<FloatType>(element_ty)) {
    identity_attr = FloatAttr::get(ty, static_cast<double>(identity));