return status.status;
  }

  absl::StatusOr<bool> ShallPinToThisDevice(
      const ImmediateExecutionOperation* op) override {
    TF_Status status;
    // Let this custom device choose the device to pin this op on if it
    // implements the pinning function.
    if (device_.shall_pin_to_this_device != nullptr) {

  // - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:
  // 	  "true", "false", "null", "in", "as", "break", "const", "continue", "else", "for", "function", "if",
  // 	  "import", "let", "loop", "package", "namespace", "return".
  // Examples:
  //   - Expression accessing a property named "namespace": {"Expression": "object.__namespace__ > 0"}

```

#### Docker Cache

There's an important trick in this `Dockerfile`, we first copy the **file with the dependencies alone**, not the rest of the code. Let me tell you why is that.

```Dockerfile
COPY ./requirements.txt /code/requirements.txt
```

 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/ImmutableCollectionsExplained">immutable collections</a>.
 *
 * @author Jared Levy
 * @author Louis Wasserman
 * @since 2.0 (implements {@code NavigableSet} since 12.0)
 */
// TODO(benyu): benchmark and optimize all creation paths, which are a mess now
@GwtCompatible(serializable = true, emulated = true)

       *   any exception that we're seeing here is from a descendant, which naturally has a parent.
       *   I think.
       *
       * Still, if this can happen somehow (a weird filesystem implementation that lets callers
       * change its working directly concurrently with a call to deleteDirectoryContents?), it makes
       * more sense for us to fall back to a generic FileSystemException (by returning null here)

       *   any exception that we're seeing here is from a descendant, which naturally has a parent.
       *   I think.
       *
       * Still, if this can happen somehow (a weird filesystem implementation that lets callers
       * change its working directly concurrently with a call to deleteDirectoryContents?), it makes
       * more sense for us to fall back to a generic FileSystemException (by returning null here)

		log.Printf("%s: contains CRLFs", filename)
		exitCode = 1
	}
	if filepath.Base(filename) == "go1.4.txt" {
		// No use for blank lines in api files, except go1.4.txt
		// used them in a reasonable way and we should let it be.
	} else if strings.HasPrefix(s, "\n") || strings.Contains(s, "\n\n") {
		log.Printf("%s: contains a blank line", filename)
		exitCode = 1
	}
	if s == "" {
		log.Printf("%s: empty file", filename)

	if err == ErrBufferFull {
		// Handle the case where "\r\n" straddles the buffer.
		if len(line) > 0 && line[len(line)-1] == '\r' {
			// Put the '\r' back on buf and drop it from line.
			// Let the next call to ReadLine check for "\r\n".
			if b.r == 0 {
				// should be unreachable
				panic("bufio: tried to rewind past start of buffer")
			}
			b.r--
			line = line[:len(line)-1]
		}

	//
	// Rewrite C.f(p) to
	//    func() {
	//            _cgo0 := p
	//            _cgoCheckPointer(_cgo0, nil)
	//            C.f(_cgo0)
	//    }()
	// Using a function literal like this lets us evaluate the
	// function arguments only once while doing pointer checks.
	// This is particularly useful when passing additional arguments
	// to _cgoCheckPointer, as done in checkIndex and checkAddr.
	//

				errFileCorrupt,
			) {
				missingBlocks++
			}
		}

		// if missing metadata can be reconstructed, attempt to reconstruct.
		// additionally do not heal delete markers inline, let them be
		// healed upon regular heal process.
		if missingBlocks > 0 && missingBlocks < fi.Erasure.DataBlocks {
			globalMRFState.addPartialOp(PartialOperation{
				Bucket:    fi.Volume,
				Object:    fi.Name,