public Builder setHttpDataSource(
          com.google.storagetransfer.v1.proto.TransferTypes.HttpData.Builder builderForValue) {
        if (httpDataSourceBuilder_ == null) {
          dataSource_ = builderForValue.build();
          onChanged();
        } else {
          httpDataSourceBuilder_.setMessage(builderForValue.build());
        }
        dataSourceCase_ = 3;
        return this;
      }
<pre>
An HTTP URL data source.
</pre>

<code>.google.storagetransfer.v1.HttpData http_data_source = 3;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java