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 {
    FOODSEARCH @join__graph(name: "foodSearch", url: "http://example.com/foodSearch")
    PRODUCTSEARCH @join__graph(name: "productSearch", url: "http://example.com/productSearch")
    USERSEARCH @join__graph(name: "userSearch", url: "http://example.com/userSearch")
}

type Query {
    searchFood(filterName: FilterName, filterValue: String): [String!] @join__field(graph: FOODSEARCH)
    searchProduct(filterName: FilterName, filterValue: String): [String!] @join__field(graph: PRODUCTSEARCH)
    searchUser(filterName: FilterName, filterValue: String): [String!] @join__field(graph: USERSEARCH)
}

enum FilterName {
    NAME
    CREATED_AT
}