code: public synchronized void initialiseFromAPIToken(final String token)
  	{
  		final String responseStr = authService.getToken(UserManagerOAuthService.GRANT_TYPE_TOKEN_EXCHANGE,
  		                                                null,
  		                                                getOwnCallbackUri().toString(),
  		                                                clientId,
  		                                                clientSecret,
  		                                                null,
  		                                                null,
  		                                                null,
  		                                                token);
  
  		loadAuthResponse(responseStr);
  	}
docs: Initialise this session reference by exchanging an API token for an access_token and refresh_token
  @param token