@Override
  protected boolean handleExceptionAndHintRetry(BlobStorageException blobStorageException) {
    return false;
  }
Validate that all the required configs for connection string based authentication are present.
@param azureCloudConfig {@link AzureCloudConfig} object.
ambry-cloud/src/main/java/com/github/ambry/cloud/azure/ConnectionStringBasedStorageClient.java