{
  _index: "_river",
  _type: "testdb",
  _id: "_meta",
  _version: 2,
  exists: true,
  _source: {
    type: "couchdb",
    couchdb: {
      host: "hostip",
      port: 5984,
      db: "testdb",
      filter: null,
      user: "user",
      password: "pass"
    },
    index: {
      index: "testdb",
      type: "testdb",
      bulk_size: "100",
      bulk_timeout: "10ms"
    }
  }
}