code: public static RamlResponse getSuccessfulResponse(RamlAction action) {
  		String[] successfulResponses = new String[] { "200", "201", "202" };
  		for (String code : successfulResponses) {
  			if (action != null && !CollectionUtils.isEmpty(action.getResponses()) && action.getResponses().containsKey(code)) {
  				return action.getResponses().get(code);
  			}
  		}
  		return null;
  	}
docs: Gets the successful response from an action (200 or 201)
  
  @param action
  The action to parse
  @return The Successful response or null if not found