/**
 * A specialized map wrapper, that uses weak references for keys and stores
 * values as strong references. It allows the garbage collector to collect keys when they are no longer in use.
 *
 * Keys are stored wrapped in {@code WeakIdentityHashMap.WeakKey} weak reference implementation, that uses {@code System.identityHashCode}
 * for generating hash code and considers referent equality for {@code equals} method.
 */

	if err != nil {
		r.mu.Unlock()
		return 0, err
	}
	var (
		counter uint64
		block   [aes.BlockSize]byte
	)
	inc := func() {
		counter++
		if counter == 0 {
			panic("crypto/rand counter wrapped")
		}
		byteorder.LePutUint64(block[:], counter)
	}
	blockCipher.Encrypt(r.key[:aes.BlockSize], block[:])
	inc()
	blockCipher.Encrypt(r.key[aes.BlockSize:], block[:])
	inc()
	r.mu.Unlock()

	n = len(b)

    return block_arg.getOwner()->getParentOp();

  return value.getDefiningOp();
}

// Check if the TPUCopyWithDynamicShapeOp is valid.
// 1. The op should be wrapped inside a launch op.
// 2. The wrapped launch op should be placed on CPU.
LogicalResult CheckOpIsValid(Operation* op) {
  auto launch_op = llvm::dyn_cast<tf_device::LaunchOp>(op->getParentOp());
  if (!launch_op) {

}

// WithGroup implements Handler.WithGroup.
func (h *LevelHandler) WithGroup(name string) slog.Handler {
	return NewLevelHandler(h.level, h.handler.WithGroup(name))
}

// Handler returns the Handler wrapped by h.
func (h *LevelHandler) Handler() slog.Handler {
	return h.handler
}

// This example shows how to Use a LevelHandler to change the level of an
// existing Handler while preserving its other behavior.
//

bool HasDevice(Operation* op) {
  auto attr = op->getAttrOfType<StringAttr>(kDeviceAttr);
  if (!attr) return false;
  return !attr.getValue().empty();
}

// Returns the predecessors of `op` when `op`'s predecessors are wrapped by
// islands.
llvm::SmallVector<Operation*> IslandPredecessors(Operation* op) {
  llvm::SmallVector<Operation*> predecessors;
  for (Value operand : op->getOperands()) {
    if (Operation* pred = operand.getDefiningOp()) {

public final class CountingOutputStream extends FilterOutputStream {

  private long count;

  /**
   * Wraps another output stream, counting the number of bytes written.
   *
   * @param out the output stream to be wrapped
   */
  public CountingOutputStream(OutputStream out) {
    super(checkNotNull(out));
  }

  /** Returns the number of bytes written. */
  public long getCount() {
    return count;
  }

  @Override

public final class CountingOutputStream extends FilterOutputStream {

  private long count;

  /**
   * Wraps another output stream, counting the number of bytes written.
   *
   * @param out the output stream to be wrapped
   */
  public CountingOutputStream(OutputStream out) {
    super(checkNotNull(out));
  }

  /** Returns the number of bytes written. */
  public long getCount() {
    return count;
  }

  @Override

    return closeable;
  }

  /**
   * Stores the given throwable and rethrows it. It will be rethrown as is if it is an {@code
   * IOException}, {@code RuntimeException} or {@code Error}. Otherwise, it will be rethrown wrapped
   * in a {@code RuntimeException}. <b>Note:</b> Be sure to declare all of the checked exception
   * types your try block can throw when calling an overload of this method so as to avoid losing
   * the original exception type.

   *
   * <ul>
   *   <li>Any {@link ExecutionException} has its <i>cause</i> wrapped in an {@code X} if the cause
   *       is a checked exception, an {@link UncheckedExecutionException} if the cause is a {@code
   *       RuntimeException}, or an {@link ExecutionError} if the cause is an {@code Error}.
   *   <li>Any {@link InterruptedException} is wrapped in an {@code X} (after restoring the
   *       interrupt).

            // Typed nulls
            [fromString(), "Runtime.getRuntime().exec(command, null, null as File)", "", ""],
            // type-wrapped arguments
            [fromGroovyString(), "Runtime.getRuntime().exec(command as String, null, null)", "", ""],
            [fromObjectList(), "Runtime.getRuntime().exec(command as String[], null, null)", "", ""],