*   boolean threw = true;
   *   try {
   *     // ... code which does something with the stream ...
   *     threw = false;
   *   } finally {
   *     // If an exception occurs, rethrow it only if threw==false:
   *     Closeables.close(stream, threw);
   *   }
   * }
   * }</pre>
   *
   * @param closeable the {@code Closeable} object to be closed, or null, in which case this method
   *     does nothing

  /**
   * Returns the platform preferred map implementation that preserves insertion order when used only
   * for insertions.
   */
  static <K, V> Map<K, V> preservesInsertionOrderOnPutsMap() {
    return Maps.newLinkedHashMap();
  }

  /**
   * Returns the platform preferred map implementation that preserves insertion order when used only
   * for insertions, with a hint for how many entries to expect.
   */

To summarize for any encrypted object there exists (at least) three different keys:

- [OEK](#oek): A secret and unique key used to encrypted the object, stored in an encrypted form as part of the object metadata and only loaded to RAM in plaintext during en/decrypting the object.

import com.google.common.testing.SerializableTester;
import java.util.Map;
import org.junit.Ignore;

/**
 * Basic serialization test for maps.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MapSerializationTester<K, V> extends AbstractMapTester<K, V> {

 *       while {@link Hashing#murmur3_32()} yields only 32 bits. Because a {@code long} value is
 *       clearly insufficient to hold all hash code values, this API represents a hash code as an
 *       instance of {@link HashCode}.
 *   <li><b>pure function:</b> the value produced must depend only on the input bytes, in the order

 *       while {@link Hashing#murmur3_32()} yields only 32 bits. Because a {@code long} value is
 *       clearly insufficient to hold all hash code values, this API represents a hash code as an
 *       instance of {@link HashCode}.
 *   <li><b>pure function:</b> the value produced must depend only on the input bytes, in the order

	}{
		// Test case 1 normal case.
		{
			path:   "/bucket/object",
			bucket: "bucket",
			object: "object",
		},
		// Test case 2 where url only has separator.
		{
			path:   SlashSeparator,
			bucket: "",
			object: "",
		},
		// Test case 3 only bucket is present.
		{
			path:   "/bucket",
			bucket: "bucket",
			object: "",
		},
		// Test case 4 many separators and object is a directory.

			// we shouldn't remove it, and only remove the version instead
			return "", nil
		}
		return uuid.UUID(ver.ObjectV2.DataDir).String(), err
	}

	if fi.Deleted {
		err = x.addVersion(ventry)
		return "", err
	}
	return "", errFileVersionNotFound
}

// xlMetaDataDirDecoder is a shallow decoder for decoding object datadir only.
type xlMetaDataDirDecoder struct {

| xlVersionMinor | uint16         | Minor xl-meta version.
| xlMetaV2       | msgp bin array | Bin array with serialized metadata
| crc            | msgp uint      | Lower 32 bits of 64 bit xxhash of previous array contents (v1.2+ only)
| inline data    | binary         | Inline data if any, see Inline Data section for encoding.  
| [EOF] | |

## v1.0-v1.2 Versions

			expectedErr: errors.New("only one server-side encryption rule is allowed at a time"),
			shouldPass:  false,
		},
		// 4. Invalid XML - master key ID present along with AES256
		{