anchor.diff:  }
   
   type Image {
  -  # A type-specific ID.
  +  # An optional type-specific ID.
     id: ID
     aspect_ratio: Float!
     caption: String
  
positive.code:   # A globally unique ID.
    __id: ID!
  
    # A type-specific ID.
    id: ID
  
    # Gravity inquiry id.
  
negative.code:   # A globally unique ID.
    __id: ID!
  
    # An optional type-specific ID.
    id: ID
  
    # A type-specific Gravity Mongo Document ID.
  