* directed graphs, and an arbitrary endpoint of the edge on undirected graphs.
 *
 * <p>Collection-returning accessors return unmodifiable views: the view returned will reflect
 * changes to the graph (if the graph is mutable) but may not be modified by the user.
 *
 * <p>The time complexity of all collection-returning accessors is O(1), since views are returned.
 *
 * @author James Sexton

	}

	return tx
}

// Commit commits the changes in a transaction
func (db *DB) Commit() *DB {
	if committer, ok := db.Statement.ConnPool.(TxCommitter); ok && committer != nil && !reflect.ValueOf(committer).IsNil() {
		db.AddError(committer.Commit())
	} else {
		db.AddError(ErrInvalidTransaction)
	}
	return db
}

// Rollback rollbacks the changes in a transaction
func (db *DB) Rollback() *DB {

    List<Integer> list = asList(1, 2);
    Iterator<List<Integer>> partitions = Iterators.partition(list.iterator(), 1);

    // Changes before the partition is retrieved are reflected
    list.set(0, 3);
    List<Integer> first = partitions.next();

    // Changes after are not
    list.set(0, 4);

    assertEquals(ImmutableList.of(3), first);
  }

	compress.SetCompressionConfig(newCfg, cfg.Compression)

	for k, args := range cfg.Notify.AMQP {
		notify.SetNotifyAMQP(newCfg, k, args)
	}
	for k, args := range cfg.Notify.Elasticsearch {
		notify.SetNotifyES(newCfg, k, args)
	}
	for k, args := range cfg.Notify.Kafka {
		notify.SetNotifyKafka(newCfg, k, args)
	}
	for k, args := range cfg.Notify.MQTT {
		notify.SetNotifyMQTT(newCfg, k, args)
	}

    Set<Entry<Integer, String>> entries = map.entrySet();
    Iterator<Entry<Integer, String>> iterator = entries.iterator();
    Entry<Integer, String> entry = iterator.next();
    entry.setValue("two"); // changes the iterator's current entry value
    assertEquals("two", map.get(1));
    assertEquals(Integer.valueOf(1), map.inverse().get("two"));
    iterator.remove(); // removes the updated entry
    assertTrue(map.isEmpty());

 <span style="background-color:#C4A000"><font color="#2E3436">╰─────────────────────────────────────────────────────╯</font></span>

<font color="#4E9A06">INFO</font>:     Will watch for changes in these directories: [&apos;/home/user/code/awesomeapp&apos;]
<font color="#4E9A06">INFO</font>:     Uvicorn running on <b>http://127.0.0.1:8000</b> (Press CTRL+C to quit)

 *       return endOfData();
 *     }
 *   };
 * }
 * }</pre>
 *
 * <p>This class supports iterators that include null elements.
 *
 * @author Kevin Bourrillion
 * @since 2.0
 */
// When making changes to this class, please also update the copy at
// com.google.common.base.AbstractIterator
@GwtCompatible
@ElementTypesAreNonnullByDefault

// like urls and credentials from the configuration
func (c Config) RedactSensitiveInfo() Config {
	nc := c.Clone()

	for configName, configVals := range nc {
		for _, helpKV := range HelpSubSysMap[configName] {
			if helpKV.Sensitive {
				for name, kvs := range configVals {
					for i := range kvs {
						if kvs[i].Key == helpKV.Key && len(kvs[i].Value) > 0 {
							kvs[i].Value = "*redacted*"
						}
					}

		if start < 0 {
			start = 0
		}
	}
	return start, length, nil
}

// Parse a HTTP range header value into a HTTPRangeSpec
func parseRequestRangeSpec(rangeString string) (hrange *HTTPRangeSpec, err error) {
	// Return error if given range string doesn't start with byte range prefix.
	if !strings.HasPrefix(rangeString, byteRangePrefix) {

     *
     * @param dest
     *            the destination file or directory
     * @throws CIFSException
     */
    void copyTo ( SmbResource dest ) throws CIFSException;


    /**
     * Changes the name of the file this <code>SmbResource</code> represents to the name
     * designated by the <code>SmbResource</code> argument.
     * <br>
     * <i>Remember: <code>SmbResource</code>s are immutable and therefore