directive @core(feature: String!) repeatable on SCHEMA

directive @join__owner(graph: join__Graph!) on OBJECT

directive @join__type(
    graph: join__Graph!
    key: String!
    resolvable: Boolean = true
) repeatable on OBJECT | INTERFACE

directive @join__field(
    graph: join__Graph
    requires: String
    provides: String
) on FIELD_DEFINITION

directive @join__graph(name: String!, url: String!) on ENUM_VALUE

enum join__Graph {
    ELECTRONICS @join__graph(name: "electronics", url: "http://example.com/electronics")
    PHYSICAL @join__graph(name: "physical", url: "http://example.com/physical")
    SOCIAL @join__graph(name: "social", url: "http://example.com/social")
}

type Furby implements FurbyType & SocialFurby {
    batteryType: String! @join__field(graph: SOCIAL)
    canDance: Boolean! @join__field(graph: SOCIAL)
    canSing: Boolean! @join__field(graph: SOCIAL)
    color: String! @join__field(graph: SOCIAL)
    connectivity: String @join__field(graph: SOCIAL)
    friends: [Furby!] @join__field(graph: SOCIAL)
    height: Float! @join__field(graph: SOCIAL)
    id: ID! @join__field(graph: SOCIAL)
    languages: [String!] @join__field(graph: SOCIAL)
    sensorTypes: [String!] @join__field(graph: SOCIAL)
    weight: Float! @join__field(graph: SOCIAL)
}

type Query {
    furby: Furby @join__field(graph: SOCIAL)
}

interface FurbyType {
    batteryType: String!
    canDance: Boolean!
    canSing: Boolean!
    color: String!
    connectivity: String
    height: Float!
    id: ID!
    languages: [String!]
    sensorTypes: [String!]
    weight: Float!
}

interface SocialFurby {
    friends: [Furby!]
}