@java.lang.Override
      public boolean hasHttpDataSource() {
        return dataSourceCase_ == 3;
      }
<pre>
An HTTP URL data source.
</pre>

<code>.google.storagetransfer.v1.HttpData http_data_source = 3;</code>

@return Whether the httpDataSource field is set.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java