directive @goField(
    forceResolver: Boolean
    name: String
    omittable: Boolean
) on INPUT_FIELD_DEFINITION | FIELD_DEFINITION

directive @goModel(
    model: String
    models: [String!]
) on OBJECT | INPUT_OBJECT | SCALAR | ENUM | INTERFACE | UNION

directive @goEnum(value: String) on ENUM_VALUE

scalar CursorKey
scalar Datetime
scalar Upload
scalar Duration
scalar BigInt
scalar EmailAddr

interface Node {
    id: ID!
}

type Query {
    node(id: ID!): Node!
    viewer: Viewer!
}

type Mutation