code: public JSONObject batchSynonyms(List<JSONObject> objects, boolean forwardToReplicas, boolean replaceExistingSynonyms) throws AlgoliaException {
      return this.batchSynonyms(objects, forwardToReplicas, replaceExistingSynonyms, RequestOptions.empty);
    }
docs: Add or Replace a list of synonyms
  
  @param objects                 List of synonyms
  @param forwardToReplicas       Forward the operation to the replica indices
  @param replaceExistingSynonyms Replace the existing synonyms with this batch