actions {
  new_stream {
    request_headers {
      headers {
        key: ":method"
        value: "HEAD"
      }
      headers {
        key: ":path"
        value: "/"
      }
      headers {
        key: ":scheme"
        value: "http"
      }
      headers {
        key: ":authority"
        value: "foo.com"
      }
      headers {
        key: "blah"
        value: "nosniff"
      }
      headers {
        key: "cookie"
        value: "foo=bar"
      }
      headers {
        key: "cookie"
        value: "foo2=bar2"
      }
    }
  }
}
actions { quiesce_drain {} }
actions {
  stream_action {
    stream_id: 0
    request {
      data: 54
    }
  }
}
actions {
  stream_action {
    stream_id: 0
    response {
      headers {
        headers {
          key: ":status"
          value: "200"
        }
      }
      end_stream: true
    }
  }
}
actions {
  stream_action {
    stream_id: 0
    request {
      trailers {
        headers {
          key: "foo"
          value: "bar"
        }
      }
    }
  }
}