*
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

   * equal.
   */
  boolean areEqual();

  /**
   * Returns an unmodifiable map containing the entries from the left map whose keys are not present
   * in the right map.
   */
  Map<K, V> entriesOnlyOnLeft();

  /**
   * Returns an unmodifiable map containing the entries from the right map whose keys are not
   * present in the left map.
   */
  Map<K, V> entriesOnlyOnRight();

  /**

        /**
         * Get the effective repositories for a project. If project-specific repositories
         * have been computed and stored, use those; otherwise fall back to request repositories.
         */
        private List<ArtifactRepository> getEffectiveRepositories(String projectId) {
            List<ArtifactRepository> stored = projectRepositories.get(projectId);

    Socket result = createSocket();

    try {
      result.connect(new InetSocketAddress(host, port));
    } catch (IOException e) {
      result.close();
      throw e;
    }
    return result;
  }

  @Override public Socket createSocket(
      String host, int port, InetAddress localHost, int localPort) throws IOException {
    return createSocket(host, port);

	done func()
}

// CloseWithError close with supplied error the writer end.
func (w *PipeWriter) CloseWithError(err error) error {
	err = w.PipeWriter.CloseWithError(err)
	w.once.Do(func() {
		w.done()
	})
	return err
}

// PipeReader is similar to io.PipeReader with wait group
type PipeReader struct {
	*io.PipeReader
	wait func()
}

// CloseWithError close with supplied error the reader end

     * <p>
     * If {@link ZipFile#close()} throws an exception, an error message is logged. The exception is not rethrown.
     * </p>
     *
     * @param zipFile
     *            Zip file. Must not be {@literal null}.
     */
    public static void close(final ZipFile zipFile) {
        assertArgumentNotNull("zipFile", zipFile);

        try {
            zipFile.close();
        } catch (final IOException e) {

        """
        return await super().seek(offset)

    async def close(self) -> None:
        """
        Close the file.

        To be awaitable, compatible with async, this is run in threadpool.
        """
        return await super().close()

    @classmethod
    def _validate(cls, __input_value: Any, _: Any) -> "UploadFile":

// username.
func (l *Config) LookupUserDN(username string) (*xldap.DNSearchResult, []string, error) {
	conn, err := l.LDAP.Connect()
	if err != nil {
		return nil, nil, err
	}
	defer conn.Close()

	// Bind to the lookup user account
	if err = l.LDAP.LookupBind(conn); err != nil {
		return nil, nil, err
	}

	// Lookup user DN
	lookupRes, err := l.LDAP.LookupUsername(conn, username)
	if err != nil {