@Override
    public Payload getNewPayload() {
        CompressionInfo compressionInfo = getResponseData().getCompressionInfo();
        Utf8Array payload = new Utf8Array(request.returnValues().get(1).asData());
        return Payload.from(payload, compressionInfo);
    }
Represents version 3 config request for config clients. Provides methods for inspecting request and response
values.

See {@link JRTServerConfigRequestV3} for protocol details.

@author Ulf Lilleengen
config/src/main/java/com/yahoo/vespa/config/protocol/JRTClientConfigRequestV3.java