}
//error info- code: 400 reason: "Invalid tag value" model: <none>
public List<Pet> partialUpdate (String petId, Pet body) throws ApiException {
// verify required params are set
if(petId == null || body == null ) {
throw new ApiException(400, "missing required params");
}
// create path and map variables
String path = "/pet/{petId}".replaceAll("\\{format\\}","json").replaceAll("\\{" + "petId" + "\\}", apiInvoker.escapeString(petId.toString()));
// query params