class ElasticAPM::Transport::Serializers::ContextSerializer

def build(context)
  return nil if context.nil? || context.empty?
  {
    custom: context.custom,
    tags: mixed_object(context.labels),
    request: build_request(context.request),
    response: build_response(context.response),
    user: build_user(context.user),
    service: build_service(context.service)
  }
end