Possible to achieve wildcard redirects in Firebase? (Note: this does not actually work)

firebase.json

{
  "firebase": "example-site",
  "public": "public",
  "redirects": [
  {
    "source" : "/blog/**/**",
    "destination" : "http://blog.example-site.com/$1",
    "type" : 302
  }
  ]
}