anchor.diff:  
   input CreditCardInput {
     token: String!
  +  oneTimeUse: Boolean = false
     clientMutationId: String
   }
   
  
positive.code:     symbol: String
      thousand: String = ","
    ): String
  
    # Buyer total in cents
    buyerTotalCents: Int
  
negative.code:   artists: [Artist]
  }
  
  type PriceCents {
    min: Int
    max: Int
    exact: Boolean
  }
  
  type Profile {
    # A globally unique ID.
    __id: ID!
  