docs: public void getUsedSkillsAsync(AsyncCallback callback) throws ProvisioningApiException {
  		String aioId = UUID.randomUUID().toString();
  		asyncCallbacks.put(aioId, callback);
  		try {
  			ApiAsyncSuccessResponse resp = operationsApi.getUsedSkillsAsync(aioId);
  			
  			if (!resp.getStatus().getCode().equals(1)) {
  				throw new ProvisioningApiException("Error getting used skills. Code: " + resp.getStatus().getCode());
  			}
  			
          } catch(ApiException e) {
          	throw new ProvisioningApiException("Error getting used skills", e);
          }
  	}