@Override
  public void deleteDatasetVersion(String accountName, String containerName, String datasetName, String version)
      throws AccountServiceException {
    cachedAccountService.deleteDatasetVersion(accountName, containerName, datasetName, version);
  }
call supplier to get the {@link MySqlAccountStore}
ambry-account/src/main/java/com/github/ambry/account/MySqlAccountService.java