anchor.diff:  }
   
   type Offer {
  +  # A globally unique ID.
  +  __id: ID!
  +
     # A type-specific ID likely used as a database ID.
     id: ID!
     createdAt(
  
positive.code:   # A globally unique ID.
    __id: ID!
  
    # A type-specific ID.
    id: ID!
  
    # A type-specific Gravity Mongo Document ID.
    _id: ID!
    cached: Int
    description: String
  
negative.code:     at_a_fair: Boolean
      sort: PartnerShowSorts
    ): PartnerShow
    v2_shows(
      size: Int
      active: Boolean
      at_a_fair: Boolean
      sort: ShowSort
    ): [Show]
    shows(
      size: Int
      active: Boolean
  