to.write(buf, 0, r);
      total += r;
    }
    return total;
  }

  /**
   * Copies all bytes from the readable channel to the writable channel. Does not close or flush
   * either channel.
   *
   * @param from the readable channel to read from
   * @param to the writable channel to write to
   * @return the number of bytes copied
   * @throws IOException if an I/O error occurs
   */
  @J2ktIncompatible

        passwordChars[0] = 'X';
        String retrievedPassword2 = authenticator.getPassword();
        assertEquals("charArrayPassword", retrievedPassword2, "Stored password should not be affected by external changes");
    }

    @Test
    public void testNullPasswordHandling() {
        authenticator = new NtlmPasswordAuthenticator("DOMAIN", "username", (String) null);

type metacache struct {
	// do not re-arrange the struct this struct has been ordered to use less
	// space - if you do so please run https://github.com/orijtech/structslop
	// and verify if your changes are optimal.
	ended        time.Time  `msg:"end"`
	started      time.Time  `msg:"st"`
	lastHandout  time.Time  `msg:"lh"`
	lastUpdate   time.Time  `msg:"u"`
	bucket       string     `msg:"b"`

import okhttp3.internal.platform.Platform

/**
 * Example of using a hardware key to perform client auth.
 * Prefer recent JDK builds, and results are temperamental to slight environment changes.
 * Different instructions and configuration may be required for other hardware devices.
 *
 * Using a yubikey device as a SSL key store.
 * https://lauri.võsandi.com/2017/03/yubikey-for-ssh-auth.html
 *

   * flavors can read old data or data from the other flavor. However, we strongly discourage
   * relying on this, as we have made incompatible changes to serialized forms in the past and
   * expect to do so again, as discussed in https://github.com/google/guava#important-warnings.
   */
  @SuppressWarnings("unused")

        // Verify bufDataStart was set to totalParameterCount
        assertEquals(1500, bufDataStartField.get(response));
    }

    @Test
    @DisplayName("Test bufDataStart not changed when non-zero")
    void testBufDataStartNotChangedWhenNonZero() throws Exception {
        byte[] buffer = new byte[100];
        int bufferIndex = 0;

        // Set bufDataStart to a non-zero value

        assertEquals(37, bytesRead); // 3 reserved + 32 (8*4) + 2 for setupCount
        assertEquals(10, response.totalParameterCount);
        assertEquals(50, response.bufDataStart); // Should not be changed
        assertEquals(20, response.totalDataCount);
        assertEquals(5, response.parameterCount);
        assertEquals(30, response.parameterOffset);
        assertEquals(0, response.parameterDisplacement);

	// Close when we reach 0
	globalServiceFreezeCnt--
	if globalServiceFreezeCnt <= 0 {
		// Set to a nil channel.
		var _ch chan struct{}
		if val := globalServiceFreeze.Swap(_ch); val != nil {
			if ch, ok := val.(chan struct{}); ok && ch != nil {
				// Close previous non-nil channel.
				xioutil.SafeClose(ch)
			}
		}
		globalServiceFreezeCnt = 0 // Don't risk going negative.
	}

    private static NtlmAuthenticator auth;

    private String url;
    private SmbAuthException sae;

    /**
     * Set the default <code>NtlmAuthenticator</code>. Once the default authenticator is set it cannot be changed. Calling
     * this metho again will have no effect.
     *
     * @param a the authenticator to set as default
     */

    public synchronized static void setDefault(final NtlmAuthenticator a) {

     *   <li>Scope management information (if the scope was managed from a different scope)</li>
     *   <li>Scope updates (if the scope was changed during resolution)</li>
     *   <li>Conflict resolution information (if the dependency was omitted due to conflicts or duplicates)</li>
     * </ul>
     *