anchor.diff:      hasReply: Boolean
       last: Int
       partnerId: String
  -    type: ConversationType
  +    type: ConversationsInputMode = USER
     ): ConversationConnection
   
     # A user's credit card
  
positive.code:     hasReply: Boolean
      last: Int
      partnerId: String
      type: ConversationType
    ): ConversationConnection
    createdAt(
      format: String
  
negative.code:   type: String!
  }
  
  enum ConversationsInputMode {
    PARTNER
    USER
  }
  