public Builder setAzureBlobStorageDataSource(
          com.google.storagetransfer.v1.proto.TransferTypes.AzureBlobStorageData.Builder
              builderForValue) {
        if (azureBlobStorageDataSourceBuilder_ == null) {
          dataSource_ = builderForValue.build();
          onChanged();
        } else {
          azureBlobStorageDataSourceBuilder_.setMessage(builderForValue.build());
        }
        dataSourceCase_ = 8;
        return this;
      }
<pre>
An Azure Blob Storage data source.
</pre>

<code>.google.storagetransfer.v1.AzureBlobStorageData azure_blob_storage_data_source = 8;
</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java