code: public static YggdrasilAuthenticator token(String clientToken, String accessToken) throws AuthenticationException {
  		return token(clientToken, accessToken, YggdrasilAuthenticationServiceBuilder.buildDefault());
  	}
docs: Creates a <code>YggdrasilAuthenticator</code> and initializes it with a
  token.
  
  @param clientToken the client token
  @param accessToken the access token
  @return a YggdrasilAuthenticator
  @throws AuthenticationException If an exception occurs during the
  authentication