@java.lang.Override
      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
        return super.clearOneof(oneof);
      }
<pre>
An AwsS3Data resource can be a data source, but not a data sink.
In an AwsS3Data resource, an object's name is the S3 object's key name.
</pre>

Protobuf type {@code google.storagetransfer.v1.AwsS3Data}
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java