anchor.diff:  
   # Fields of an attachment (currently from Radiation)
   type Attachment {
  -  # Attachment id.
  -  id: String!
  +  # A type-specific ID likely used as a database ID.
  +  internalID: ID!
   
     # Content type of file.
     content_type: String!
  
positive.code:   items: [ConversationItem]
  
    # A connection for all messages in a single conversation
    messages(sort: sort, after: String, first: Int, before: String, last: Int): MessageConnection
  
    # True if there is an unread message by the user.
    unread: Boolean
  
negative.code:   creditCardEdge: CreditCardEdge
  }
  
  union CreditCardMutationType =
      CreditCardMutationSuccess
    | CreditCardMutationFailure
  
  type CreditCardPayload {
    credit_card: CreditCard @deprecated(reason: "Favor `creditCardOrError`")
  