docs: public IRestfulClientFactory getRestfulClientFactory() {
  		if (myRestfulClientFactory == null) {
  			try {
  				myRestfulClientFactory = (IRestfulClientFactory) ReflectionUtil.newInstance(Class.forName("ca.uhn.fhir.rest.client.apache.ApacheRestfulClientFactory"), FhirContext.class, this);
  			} catch (ClassNotFoundException e) {
  				throw new ConfigurationException("hapi-fhir-client does not appear to be on the classpath");
  			}
  		}
  		return myRestfulClientFactory;
  	}