contextHandle = new byte[20];
        }
        buf.readOctetArray(contextHandle, 0, 20);
    }

    /**
     * Checks if the context handle has been invalidated (all zeros).
     * A successful unregistration typically results in a zeroed context handle.
     *
     * @return true if the context handle has been invalidated
     */
    public boolean isContextHandleInvalidated() {

      .url("https://api.imgur.com/3/image")
      .post(new ProgressRequestBody(requestBody, progressListener))
      .build();

    Response response = client.newCall(request).execute();
    if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

    System.out.println(response.body().string());
  }

  public static void main(String... args) throws Exception {
    new UploadProgress().run();
  }

2018/12/26 17:49:36 listening on http://localhost:8888/
```

This will open the login page of keycloak, upon successful login, STS credentials along with any buckets discovered using the credentials will be printed on the screen, for example:

```
{
  "buckets": [
    "bucket-x"
  ],
  "credentials": {

// not a successful [Buffer.ReadRune], UnreadRune returns an error.  (In this regard
// it is stricter than [Buffer.UnreadByte], which will unread the last byte
// from any read operation.)
func (b *Buffer) UnreadRune() error {
	if b.lastRead <= opInvalid {
		return errors.New("bytes.Buffer: UnreadRune: previous operation was not a successful ReadRune")
	}
	if b.off >= int(b.lastRead) {

        verify(response).setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    }

    /**
     * Test the service method with a valid NTLM Authorization header.
     * Simulates a successful NTLM authentication.
     * @throws ServletException
     * @throws IOException
     * @throws CIFSException
     */
    @Test
    void testService_NtlmAuth_Success() throws Exception {

        // Test with an unrecognized field in the ticket
        // Note: In the actual implementation, field 99 would come after mandatory fields,
        // so decryption happens first. We test with a mocked successful decryption.
        byte[] token = createTestTicketBytes(new BigInteger(KerberosConstants.KERBEROS_VERSION), SERVER_REALM, SERVER_PRINCIPAL_NAME,
                ENCRYPTION_TYPE, ENCRYPTED_DATA, 99);

        processedPoms = Set.copyOf(processedPoms);
        modifiedPoms = Set.copyOf(modifiedPoms);
        errorPoms = Set.copyOf(errorPoms);
    }

    /**
     * Creates a successful result with the specified processed and modified POMs.
     */
    public static UpgradeResult success(Set<Path> processedPoms, Set<Path> modifiedPoms) {

                                },
                            }
                        ],
                        "responses": {
                            "200": {
                                "description": "Successful Response",
                                "content": {"application/json": {"schema": {}}},
                            },
                            "422": {
                                "description": "Validation Error",

        this.error = error;
        this.completed = true;
    }

    /**
     * Get error if request failed
     *
     * @return exception if failed, null if successful
     */
    public Exception getError() {
        return error;
    }

    /**
     * Check if request failed
     *
     * @return true if failed, false otherwise
     */

        triggerName = "ReadyforNightly",
    ) {
    init {
        id(NIGHTLY_SNAPSHOT_BUILD_ID)
        name = "Nightly Snapshot"
        description =
            "Promotes the latest successful changes on '${branch.branchName}' from Ready for Nightly as a new nightly snapshot"

        triggers {
            val triggerHour = branch.determineNightlyPromotionTriggerHour() ?: return@triggers