anchor.diff:  
     # A unique identifier for the client performing the mutation.
     clientMutationId: String
  +  note: String
     offerId: ID!
   }
   
  
positive.code: 
  type User {
    id: String!
  }
  
negative.code: 
    # A unique identifier for the client performing the mutation.
    clientMutationId: String
    note: String
    offerId: ID!
  }
  
  