code: public OvhTask serviceName_changeVersion_POST(String serviceName, OvhAvailableVersionEnum version) throws IOException {
  		String qPath = "/hosting/privateDatabase/{serviceName}/changeVersion";
  		StringBuilder sb = path(qPath, serviceName);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "version", version);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhTask.class);
  	}
docs: Change the private database engine version
  
  REST: POST /hosting/privateDatabase/{serviceName}/changeVersion
  @param version [required] Private database versions
  @param serviceName [required] The internal name of your private database