- Seal/Unmount one/some master keys. That will lock all SSE-S3 encrypted objects protected by these master keys. All these objects can not be decrypted as long as the key(s) are sealed.

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        assertThat(response.protocol).isEqualTo(socketMode.protocol)
      } else {
        assertThat(response.protocol).isEqualTo(HTTP_1_1)
      }
    }
  }
}

sealed class SocketMode

object Channel : SocketMode() {
  override fun toString(): String = "Channel"
}

object Standard : SocketMode() {
  override fun toString(): String = "Standard"
}

    int listenerCount = 20;
    CountDownLatch listenerLatch = new CountDownLatch(listenerCount);

    // Test that listeners added both before and after the value is available
    // get called correctly.
    for (int i = 0; i < 20; i++) {

      // Right in the middle start up a thread to close the latch.
      if (i == 10) {
        new Thread(() -> latch.countDown()).start();
      }

   * safe to do so. The exact circumstances under which a copy will or will not be performed are
   * undocumented and subject to change.
   *
   * <p>This method is not type-safe, as it may be called on elements that are not mutually
   * comparable.
   *
   * @throws ClassCastException if the elements are not mutually comparable
   * @throws NullPointerException if any of {@code elements} is null
   */

}

type untarOptions struct {
	ignoreDirs bool
	ignoreErrs bool
	prefixAll  string
}

// disconnectReader will ensure that no reads can take place on
// the upstream reader after close has been called.
type disconnectReader struct {
	r  io.Reader
	mu sync.Mutex
}

func (d *disconnectReader) Read(p []byte) (n int, err error) {
	d.mu.Lock()
	defer d.mu.Unlock()
	if d.r != nil {

2-HMAC-SHA256�5X-Minio-Internal-Server-Side-Encryption-S3-Sealed-Key�XIAAfAMFKNJeMYqSxAY0RYwBtlV1fu1wHFscQK8oEkkAn4hUNAy2s1m1IthCWmSTf+ByXYsiWQ5Gu88UVdn/N0g==�&x-minio-internal-replication-timestamp�2023-08-29T14:44:00.590659025Z�$X-Minio-Internal-Encrypted-Multipart��5X-Minio-Internal-Server-Side-Encryption-S3-Kms-Key-Id�minio_encrypt_key�X-Minio-Internal-actual-size�56720007533�9X-Minio-Internal-Server-Side-Encryption-S3-Kms-Sealed-Key��eyJhZWFkIjoiQUVTLTI1Ni1HQ00tSE1BQy1TSEEtMjU2IiwiaXYiO...

	// since the `objectLayer==nil`  check is performed before any other checks inside the handlers.
	// The only aim is to generate an HTTP request in a way that the relevant/registered end point is evoked/called.

	nilBucket := "dummy-bucket"
	nilObject := "dummy-object"
	nilReq, err := newTestSignedRequestV4(http.MethodHead, getGetObjectURL("", nilBucket, nilObject),
		0, nil, "", "", nil)
	if err != nil {

      } else {
        return EventListener.NONE;
      }
    }
  };

  ...
}
```

### Events with Failures

When an operation fails, a failure method is called. This is `connectFailed()` for failures while building a connection to the server, and `callFailed()` when the HTTP call fails permanently. When a failure happens it is possible that a `start` event won’t have a corresponding `end` event.

Calls are executed in one of two ways:

 * **Synchronous:** your thread blocks until the response is readable.
 * **Asynchronous:** you enqueue the request on any thread, and get [called back](https://square.github.io/okhttp/4.x/okhttp/okhttp3/-callback/) on another thread when the response is readable.