## Update the dependencies { #update-the-dependencies }

Update `get_current_user` to receive the same token as before, but this time, using JWT tokens.

Decode the received token, verify it, and return the current user.

If the token is invalid, return an HTTP error right away.

{* ../../docs_src/security/tutorial004_an_py310.py hl[93:110] *}

## Update the `/token` *path operation* { #update-the-token-path-operation }

   *
   * <p>Defaults to 4. <b>Note:</b>The default may change in the future. If you care about this
   * value, you should always choose it explicitly.
   *
   * <p>The current implementation uses the concurrency level to create a fixed number of hashtable
   * segments, each governed by its own write lock. The segment lock is taken once for each explicit

    // Obtain m = (-distance mod length), a non-negative value less than "length". This is how many
    // places left to rotate.
    int m = -distance % length;
    m = (m < 0) ? m + length : m;
    // The current index of what will become the first element of the rotated section.
    int newFirstIndex = m + fromIndex;
    if (newFirstIndex == fromIndex) {
      return;
    }

    reverse(array, fromIndex, newFirstIndex);

You can use `SecurityScopes` at any point, and in multiple places, it doesn't have to be at the "root" dependency.

It will always have the security scopes declared in the current `Security` dependencies and all the dependants for **that specific** *path operation* and **that specific** dependency tree.

		err = mg.bucketLoader(GlobalContext, metricValues, mg.cache, mg.buckets)
	} else {
		err = mg.loader(GlobalContext, metricValues, mg.cache)
	}

	// There is no way to handle errors here, so we panic the current goroutine
	// and the Metrics API handler returns a 500 HTTP status code. This should
	// normally not happen, and usually indicates a bug.
	logger.CriticalIf(GlobalContext, errors.Wrap(err, "failed to get metrics"))

### Existing object replication

 */
@Experimental
@ThreadSafe
public interface Session extends ProtoSession {

    /**
     * Returns the current maven version.
     *
     * @return the maven version, never {@code null}
     */
    @Nonnull
    Version getMavenVersion();

    /**
     * Retrieves the settings for the current session.
     *
     * @return the settings instance
     */
    @Nonnull
    Settings getSettings();

    /**

    return source1.contentEquals(source2);
  }

  /**
   * Like the unix command of the same name, creates an empty file or updates the last modified
   * timestamp of the existing file at the given path to the current system time.
   */
  @SuppressWarnings("GoodTime") // reading system time without TimeSource
  public static void touch(Path path) throws IOException {
    checkNotNull(path);

    try {

            if (lastUnderscore > 0) {
                try {
                    long window = Long.parseLong(key.substring(lastUnderscore + 1));
                    return window < currentWindow - 2; // Keep current and previous window
                } catch (NumberFormatException e) {
                    return true; // Remove invalid entries
                }
            }
            return true;
        });
    }

     */
    public Ansi cursorLeft(final int x) {
        return x > 0 ? appendEscapeSequence('D', x) : x < 0 ? cursorRight(-x) : this;
    }

    /**
     * Moves the cursor relative to the current position. The cursor is moved right if x is
     * positive, left if negative and down if y is positive and up if negative.
     *
     * @param x the number of characters to move horizontally