具有嵌套对象的GraphQL模式

const typeDefs = `
  type BelongsToCollectionType {
    id: ID!
    name: String
    poster_path: String
    backdrop_path: String
  }

  type GenreType {
    id: ID!
    name: String
  }

  type SomeType {
    adult: Boolean
    backdrop_path: String
    belongs_to_collection: BelongsToCollectionType
    budget: Int
    genres: [GenreType]!
  }
`;