return new IdentityHashMap<>();
  }

  /**
   * Computes the difference between two maps. This difference is an immutable snapshot of the state
   * of the maps at the time this method is called. It will never change, even if the maps change at
   * a later time.
   *
   * <p>Since this method uses {@code HashMap} instances internally, the keys of the supplied maps

 * </code></td></tr>
 *
 * </table>
 *
 * <p>Instances of the <code>SmbFile</code> class are immutable; that is,
 * once created, the abstract pathname represented by an SmbFile object
 * will never change.
 *
 * @see       java.io.File
 */

public class SmbFile extends URLConnection implements SmbConstants {

    static final int O_RDONLY = 0x01;
    static final int O_WRONLY = 0x02;

        assertTrue(sitemapsHelper.isValidChangefreq("monthly"));
        assertTrue(sitemapsHelper.isValidChangefreq("yearly"));
        assertTrue(sitemapsHelper.isValidChangefreq("never"));
        assertTrue(sitemapsHelper.isValidChangefreq(null));
        assertTrue(sitemapsHelper.isValidChangefreq(""));

        // Invalid changefreq
        assertFalse(sitemapsHelper.isValidChangefreq("sometimes"));

		}
		for _, op := range ops {
			switch op {
			case madmin.CredentialsUpdateType:
				if !globalSiteReplicationSys.isEnabled() {
					// credentials update is possible only in bucket replication. User will never
					// know the site replicator creds.
					tgt.Credentials = target.Credentials
					tgt.TargetBucket = target.TargetBucket
					tgt.Secure = target.Secure
					tgt.Endpoint = target.Endpoint
				}

        valueIterator = collection.iterator();
      }
      /*
       * uncheckedCastNullableTToT is safe: The first call to this method always enters the !hasNext() case and
       * populates key, after which it's never cleared.
       */
      return output(uncheckedCastNullableTToT(key), valueIterator.next());
    }

    @Override
    public void remove() {
      valueIterator.remove();
      /*

			continue
		}

		r = append(r, KVSrc{
			Key:   kv.Key,
			Value: v,
			Src:   vs,
		})
	}

	// Add the comment key as well if non-empty (and comments are never
	// redacted).
	v, vs, _ := c.ResolveConfigParam(subSys, target, Comment, redactSecrets)
	if vs != ValueSourceDef {
		r = append(r, KVSrc{
			Key:   Comment,
			Value: v,
			Src:   vs,
		})
	}

   *     Executor)}.
   * @param closingExecutor the future's result will be closed on this executor
   * @deprecated Creating {@link Future}s of closeable types is dangerous in general because the
   *     underlying value may never be closed if the {@link Future} is canceled after its operation
   *     begins. Consider replacing code that creates {@link ListenableFuture}s of closeable types,

                        .expireAfterAccess(1, SECONDS)
                        .ticker(new SerializableTicker())))
            .named("LocalCache with expireAfterAccess") // SerializableTicker never advances
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.GENERAL_PURPOSE,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE)
            .createTestSuite());

                        .expireAfterAccess(1, SECONDS)
                        .ticker(new SerializableTicker())))
            .named("LocalCache with expireAfterAccess") // SerializableTicker never advances
            .withFeatures(
                CollectionSize.ANY,
                MapFeature.GENERAL_PURPOSE,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE)
            .createTestSuite());

// from future calls. isPrefix will be false when returning the last fragment
// of the line. The returned buffer is only valid until the next call to
// ReadLine. ReadLine either returns a non-nil line or it returns an error,
// never both.
//
// The text returned from ReadLine does not include the line end ("\r\n" or "\n").
// No indication or error is given if the input ends without a final line end.