private StorageSharedKeyCredential getStorageSharedKeyCredential() {
    return new StorageSharedKeyCredential(azureBlobConfig.getAzureAccountName(systemName),
        azureBlobConfig.getAzureAccountKey(systemName));
  }
Method to create {@link StorageSharedKeyCredential} to used for authenticating with Azure Storage.
@return StorageSharedKeyCredential
samza-azure/src/main/java/org/apache/samza/system/azureblob/AzureBlobClientBuilder.java