public <N1 extends N, E1 extends E> ImmutableNetwork.Builder<N1, E1> immutable() {
    NetworkBuilder<N1, E1> castBuilder = cast();
    return new ImmutableNetwork.Builder<>(castBuilder);
  }

  /**
   * Specifies whether the network will allow parallel edges. Attempting to add a parallel edge to a
   * network that does not allow them will throw an {@link UnsupportedOperationException}.
   *
   * <p>The default value is {@code false}.
   */

     *
     * @return the tree
     */
    SmbTreeHandle getTree();

    /**
     * Checks if this file handle is still valid
     *
     * @return whether the file descriptor is valid
     */
    boolean isValid();

    /**
     * Closes this file handle and optionally sets the last write time
     *

 * {@link Consumer} if it is not marked either {@link Consumer} or {@link Provider}.
 * <p>
 * A package can be marked {@link Consumer}. In this case, all types in the package are considered
 * to be a provider type regardless of whether they are marked {@link Consumer} or {@link Provider}.
 *
 * @see Provider
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.CLASS)
@Target({ElementType.TYPE, ElementType.PACKAGE})

     *
     * @return The current Maven version or an empty string if unknown, never {@code null}.
     */
    String getMavenVersion();

    /**
     * Checks whether the current Maven runtime matches the specified version range. A version range can either use the
     * usual mathematical syntax "[2.0.10,2.1.0),[3.0,)" or use a single version "2.2.1". The latter is a short form for

    List<String> getExcludedProjects();

    /**
     * Sets whether the build should be resumed from the data in the resume.properties file.
     * @param resume Whether or not to resume a previous build.
     * @return This request, never {@code null}.
     */
    MavenExecutionRequest setResume(boolean resume);

    /**
     * @return Whether the build should be resumed from the data in the resume.properties file.
     */

// lockRequesterInfo stores various info from the client for each lock that is requested.
type lockRequesterInfo struct {
	Name            string // name of the resource lock was requested for
	Writer          bool   // Bool whether write or read lock.
	UID             string // UID to uniquely identify request of client.
	Timestamp       int64  // Timestamp set at the time of initialization.
	TimeLastRefresh int64  // Timestamp for last lock refresh.

     * ACL editor will rebuild all children ACEs and set this flag accordingly.
     *
     * @return whether this is an inherited ACE
     */
    boolean isInherited();

    /**
     * Returns true if this ACE is an allow ACE and false if it is a deny ACE.
     *
     * @return whether this in an allow ACE
     */
    boolean isAllow();

        super(new PrefixedValueSourceWrapper(new ObjectBasedValueSource(root), prefix));
    }

    /**
     * Wrap the specified root object, allowing the specified list of expression
     * prefixes and setting whether the {@link PrefixedValueSourceWrapper} allows
     * unprefixed expressions.
     * @param possiblePrefixes The possible prefixes.
     * @param root The root of the graph.

    int length = end - start;
    if (length <= 0 || length > 3) {
      throw new NumberFormatException();
    }
    // Disallow leading zeroes, because no clear standard exists on
    // whether these should be interpreted as decimal or octal.
    if (length > 1 && ipString.charAt(start) == '0') {
      throw new NumberFormatException();
    }
    int octet = 0;
    for (int i = start; i < end; i++) {

        }
    }

    /**
     * Executes the statement.
     *
     * @param ps
     *            {@link PreparedStatement}. Must not be {@literal null}.
     * @return Whether the result is a {@link ResultSet}.
     * @throws SQLRuntimeException
     *             If a {@link SQLException} occurs.
     * @see PreparedStatement#execute()
     */