if (expectedSequenceNumber != ANY_SEQUENCE_NUMBER &&
      (entry == null || entry.sequenceNumber != expectedSequenceNumber)
    ) {
      return null // Snapshot is stale.
    }

    if (entry?.currentEditor != null) {
      return null // Another edit is in progress.
    }

    if (entry != null && entry.lockingSourceCount != 0) {
      return null // We can't write this file because a reader is still reading it.
    }

}

// healSource denotes single entity and heal option.
type healSource struct {
	bucket    string
	object    string
	versionID string
	noWait    bool             // a non blocking call, if task queue is full return right away.
	opts      *madmin.HealOpts // optional heal option overrides default setting
}

// healSequence - state for each heal sequence initiated on the
// server.
type healSequence struct {

//go:generate msgp -file $GOFILE

// WalkDirOptions provides options for WalkDir operations.
type WalkDirOptions struct {
	// Bucket to scanner
	Bucket string

	// Directory inside the bucket.
	BaseDir string

	// Do a full recursive scan.
	Recursive bool

	// ReportNotFound will return errFileNotFound if all disks reports the BaseDir cannot be found.
	ReportNotFound bool

 *   <li><strong>Child Version Removal</strong>: Removes child {@code <version>} when it matches parent version</li>
 * </ul>
 *
 * <h4>Full Inference for 4.1.0+ Models</h4>
 * <ul>
 *   <li><strong>ModelVersion Removal</strong>: Removes {@code <modelVersion>} element (inference enabled)</li>

        this.request.setGoals(goals);
        this.request.setBaseDirectory((executionRootDir != null) ? new File(executionRootDir) : null);
        this.request.setStartTime(startTime);
        this.result = null;
        this.repositorySystemSession = null;
    }

    @Deprecated
    public MavenSession(
            PlexusContainer container,
            MavenExecutionRequest request,

  /** The low-level TCP socket. */
  private var rawSocket: JavaNetSocket? = null

  /**
   * The application layer socket. Either an [SSLSocket] layered over [rawSocket], or [rawSocket]
   * itself if this connection does not use SSL.
   */
  internal var javaNetSocket: JavaNetSocket? = null
  private var handshake: Handshake? = null
  private var protocol: Protocol? = null
  private lateinit var socket: BufferedSocket

      var sha1: ByteString? = null
      var sha256: ByteString? = null

      for (pin in pins) {
        when (pin.hashAlgorithm) {
          "sha256" -> {
            if (sha256 == null) sha256 = peerCertificate.sha256Hash()
            if (pin.hash == sha256) return // Success!
          }

          "sha1" -> {
            if (sha1 == null) sha1 = peerCertificate.sha1Hash()

      }
      // It is possible for this to return null because nextEscapeIndex() may
      // (for performance reasons) yield some false positives but it must never
      // give false negatives.
      char[] escaped = escape(cp);
      int nextIndex = index + charCount(cp);
      if (escaped != null) {
        int charsSkipped = index - unescapedChunkStart;

 *  The challenge's scheme and realm are now non-null. If you are calling
    `new Challenge(scheme, realm)` you must provide non-null values. These were
    never null in challenges created by OkHttp, but could have been null in
    application code that creates challenges.

 *  New: The `TlsVersion` of a `Handshake` is now non-null. If you are calling
    `Handshake.get()` with a null TLS version, you must instead now provide a

   *     null} is treated as the four-character string {@code "null"}.
   * @param args the arguments to be substituted into the message template. The first argument
   *     specified is substituted for the first occurrence of {@code "%s"} in the template, and so
   *     forth. A {@code null} argument is converted to the four-character string {@code "null"};