*/
    public static String getEnv(String key, String defaultValue) {
        return System.getenv().getOrDefault(key, defaultValue);
    }

    /**
     * Returns the current time in milliseconds.
     *
     * @return the current time in milliseconds
     */
    public static long currentTimeMillis() {
        // TODO provider
        return System.currentTimeMillis();
    }

  static void requestInterruptIn(long time, TimeUnit unit) {
    checkNotNull(unit);
    Thread interruptee = Thread.currentThread();
    new Thread(
            new Runnable() {
              @Override
              public void run() {
                try {
                  unit.sleep(time);
                } catch (InterruptedException wontHappen) {

      // 1. the string constructor can avoid an extra copy most of the time by correctly sizing the
      //    internal char array (hard to avoid using StringBuilder)
      // 2. we avoid extra copies into temporary buffers altogether
      // The downside is that this will cause us to store the file bytes in memory twice for a short
      // amount of time.
      return new String(ByteSource.this.read(), charset);
    }

    }

    /**
     * Set the maximum idle time for connections
     * @param millis the maximum idle time in milliseconds
     */
    public void setMaxIdleTime(int millis) {
        if (millis <= 0) {
            throw new IllegalArgumentException("Idle time must be positive");
        }
        this.maxIdleTime = millis;
        log.info("Set maximum idle time to {} ms", millis);
    }

    /**

				if err != nil {
					err = msgp.WrapError(err, "CreatedBefore")
					return
				}
				z.CreatedBefore = nil
			} else {
				if z.CreatedBefore == nil {
					z.CreatedBefore = new(time.Time)
				}
				*z.CreatedBefore, err = dc.ReadTime()
				if err != nil {
					err = msgp.WrapError(err, "CreatedBefore")
					return
				}
			}
		case "Tags":
			var zb0002 uint32

* `datetime.date`:
    * Встроенный в Python `datetime.date`.
    * В запросах и ответах будет представлен как `str` в формате ISO 8601, например: `2008-09-15`.
* `datetime.time`:
    * Встроенный в Python `datetime.time`.
    * В запросах и ответах будет представлен как `str` в формате ISO 8601, например: `14:23:55.003`.
* `datetime.timedelta`:
    * Встроенный в Python `datetime.timedelta`.

	// retrieve the info of last modification time of the object from the response header.
	lastModified := response.Header.Get("Last-Modified")
	// Parse it into time.Time structure.
	t, err := time.Parse(http.TimeFormat, lastModified)
	c.Assert(err, nil)

	// make HTTP request to obtain object info.
	// But this time set the "If-Modified-Since" header to be 10 minute more than the actual

    }

    /**
     * Set the authentication time-to-live in milliseconds
     *
     * @param ttl time-to-live in milliseconds (0 or negative for no expiration)
     */
    public void setAuthenticationTTL(long ttl) {
        this.authenticationTTL = ttl;
    }

    /**
     * Get the authentication time-to-live in milliseconds
     *
     * @return time-to-live in milliseconds
     */

	return d.disk.String()
}

func (d *naughtyDisk) IsOnline() bool {
	if err := d.calcError(); err != nil {
		return err == errDiskNotFound
	}
	return d.disk.IsOnline()
}

func (d *naughtyDisk) LastConn() time.Time {
	return d.disk.LastConn()
}

func (d *naughtyDisk) IsLocal() bool {
	return d.disk.IsLocal()
}

func (d *naughtyDisk) Endpoint() Endpoint {
	return d.disk.Endpoint()
}

   * scheduled. If the task is already in the queue, the earliest execution time is used.
   *
   * The target execution time is implemented on a best-effort basis. If another task in this queue
   * is running when that time is reached, that task is allowed to complete before this task is
   * started. Similarly the task will be delayed if the host lacks compute resources.
   *