@Override
  public AccountService getAccountService() {
    return accountService;
  }
Constructor to create a {@link JSONStringStorageQuotaSource}.
@param config The {@link QuotaSource}.
@param accountService The {@link AccountService} to use.e
@throws IOException
ambry-quota/src/main/java/com/github/ambry/quota/storage/JSONStringStorageQuotaSource.java