extend schema @link(url: "https://specs.apollo.dev/federation/v2.3")

type Query {
  product(id: ID!): Product
}

type Product @federation__key(fields: "id") {
  id: ID!
  name: String
  reviews: [Review]
}

type Review @federation__key(fields: "id") {
  id: ID!
  content: String
  author: User @federation__provides(fields: "name")
}

extend type User @federation__key(fields: "id") {
  id: ID! @federation__external
  name: String @federation__external
}