public CloudBlobClient getBlobClient() {
    return blobClient;
  }
Creates a reference to the Azure Storage account according to the connection string that the client passes.
Also creates references to Azure Blob Storage and Azure Table Storage.
@param storageConnectionString Connection string to connect to Azure Storage Account
                               Format: DefaultEndpointsProtocol=https;AccountName="Insert your account name";AccountKey="Insert your account key"
@throws AzureException If an Azure storage service error occurred, or when the storageConnectionString is invalid.
samza-azure/src/main/java/org/apache/samza/AzureClient.java