code: function Serializer(log) {
    this._log = log.child({ component: 'serializer' });
    Transform.call(this, { objectMode: true });
  }
docs: Serializer ----------  Frame Objects * * * * * * * --+--------------------------- |                          | v                          v           Buffers [] -----> Payload Ser. --[buffers]--> Header Ser. --> * * * * empty      adds payload                adds header array        buffers                     buffer