code: public void accessRestriction_u2f_id_validate_POST(Long id, String clientData, String registrationData) throws IOException {
  		String qPath = "/me/accessRestriction/u2f/{id}/validate";
  		StringBuilder sb = path(qPath, id);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "clientData", clientData);
  		addBody(o, "registrationData", registrationData);
  		exec(qPath, "POST", sb.toString(), o);
  	}
docs: Validate your U2F account
  
  REST: POST /me/accessRestriction/u2f/{id}/validate
  @param registrationData [required]
  @param clientData [required]
  @param id [required] The Id of the restriction