type Query {
  post(id: ID!): Post!
  posts(first: ID!, after: ID!): PostsConnection!
  comment(id: ID!): Comment!
}

type Post {
  id: ID!
  title: String!
  author: String!
  contents: String!
  comments(first: ID!, after: ID!): CommentsConnection!
  allowComments: Boolean!
}

type Comment {
  id: ID!
  author: String!
  contents: String!
  replies(first: ID!, after: ID!): CommentsConnection!
}