public com.google.storagetransfer.v1.proto.TransferTypes.AwsS3CompatibleData.Builder
          getAwsS3CompatibleDataSourceBuilder() {
        return getAwsS3CompatibleDataSourceFieldBuilder().getBuilder();
      }
<pre>
An AWS S3 compatible data source.
</pre>

<code>.google.storagetransfer.v1.AwsS3CompatibleData aws_s3_compatible_data_source = 19;
</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java