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 {
    SPINNERS_A @join__graph(name: "spinners-a", url: "http://example.com/spinners-a")
    SPINNERS_B @join__graph(name: "spinners-b", url: "http://example.com/spinners-b")
}

type FidgetSpinner implements Spinner {
    buttonDescriptions: [String!]
    id: ID!
    manufacturer: Manufacturer
    model: String
}

type Manufacturer {
    location: String
    name: String!
}

type Query {
    fidgetSpinners(filter: SpinnerFilter!): [FidgetSpinner] @join__field(graph: SPINNERS_A) @join__field(graph: SPINNERS_B)
}

interface Spinner {
    id: ID!
    model: String
}

input SpinnerFilter {
    manufacturer: String
    maxPrice: Float!
}