Query.graphql

type Query {
  me: User
  node(_id: ID!): Node
  nodes(_ids: [ID!]!): [Node]!
}

type User implements Node {
  id: ID!
  name: String
  books(first: Int, last: Int, before: String, after: String): BookConnection
  musics(first: Int, last: Int, before: String, after: String): MusicConnection
}