/**
     * Gets the current usage count for this transport.
     *
     * @return the number of known usages
     */
    protected long getUsageCount() {
        return this.usageCount.get();
    }

    /**
     * Generate a unique key for the given request
     *
     * @param request the request to generate a key for
     * @return the generated key
     * @throws IOException if an I/O error occurs
     */

  }
  request.header("User-Agent", userAgent)

  return request.build()
}

private fun Main.mediaType(): MediaType? {
  val mimeType =
    headers?.let {
      for (header in it) {
        val parts = header.split(':', limit = 2)
        if ("Content-Type".equals(parts[0], ignoreCase = true)) {
          return@let parts[1].trim()
        }
      }
      return@let null
    } ?: "application/x-www-form-urlencoded"

    return sum();
  }

  /** Returns the {@link #sum} as an {@code int} after a narrowing primitive conversion. */
  @Override
  public int intValue() {
    return (int) sum();
  }

  /** Returns the {@link #sum} as a {@code float} after a widening primitive conversion. */
  @Override
  public float floatValue() {
    return (float) sum();
  }

        super(message, cause);
    }

    /**
     * Exception for intentional exit: No message or anything will be displayed, just the
     * carried exit code will be returned from invoker {@link Invoker#invoke(InvokerRequest)} method.
     */
    public static final class ExitException extends InvokerException {
        private final int exitCode;

        public ExitException(int exitCode) {

	// DNS name.
	TargetStrip int `json:"targetstrip,omitempty"`

	// Group is used to group (or *not* to group) different services
	// together. Services with an identical Group are returned in
	// the same answer.
	Group string `json:"group,omitempty"`

	// Key carries the original key used during Put().
	Key string `json:"-"`

   * and {@link #isVertical} methods return {@code false} and the {@link #slope}, and {@link
   * #transform} methods all return {@link Double#NaN}. The {@link #inverse} method returns the same
   * instance.
   */
  public static LinearTransformation forNaN() {
    return NaNLinearTransformation.INSTANCE;
  }

  /** Returns whether this is a vertical transformation. */

		if err := w.mw.WriteByte(metacacheStreamVersion); err != nil {
			return err
		}

		w.closer = func() error {
			if w.streamErr != nil {
				return w.streamErr
			}
			if err := w.mw.WriteBool(false); err != nil {
				return err
			}
			if err := w.mw.Flush(); err != nil {
				return err
			}
			return s2w.Close()
		}
		return nil
	}
}

   *
   */
  public static Escaper urlFormParameterEscaper() {
    return URL_FORM_PARAMETER_ESCAPER;
  }

  private static final Escaper URL_FORM_PARAMETER_ESCAPER =
      new PercentEscaper(URL_FORM_PARAMETER_OTHER_SAFE_CHARS, true);

  /**
   * Returns an {@link Escaper} instance that escapes strings so they can be safely included in <a

	if err != nil {
		return err
	}
	xhttp.DrainBody(resp.Body)

	if resp.StatusCode >= 200 && resp.StatusCode <= 299 {
		// accepted HTTP status codes.
		return nil
	} else if resp.StatusCode == http.StatusForbidden {
		return fmt.Errorf("%s returned '%s', please check if your auth token is correctly set", target.args.Endpoint, resp.Status)
	}

	quitCh chan struct{}
}

// ID - returns target ID.
func (target *MySQLTarget) ID() event.TargetID {
	return target.id
}

// Name - returns the Name of the target.
func (target *MySQLTarget) Name() string {
	return target.ID().String()
}

// Store returns any underlying store if set.
func (target *MySQLTarget) Store() event.TargetStore {
	return target.store
}