apollo-compiler 0.6.0

query {
  cat {
    name
  }
}

mutation {
  addPet {
    owner {
      name
    }
  }
}

type Query {
  cat: String
}

type Mutation {
  addPet (name: String!, petType: PetType): Result!
}

type Result {
  pageNumber: Int
  response: String
}