code: public CompletionStage<Boolean> logout() {
          return asyncHttpClient
                  .post(uri.resolve("logout"), "", JsonParser.STRING)
                  .thenApply(s -> "Your token has been cleared".contentEquals(s.getResult()));
      }
docs: Perform logout and clear the session token from the config.
  <p>
  {@code POST /logout}
  
  @return true if the logout was successful, otherwise false