anchor.diff:  # stub
   type AbiItem {
     type: String
  +}
  +
  +type SourceContract {
  +  name: String
  +  source: Source
  +  ast: AST
  +}
  +
  +type AST {
  +  json: String!
   }
   
   type Network {
  
positive.code: 
  type Contract {
    name: String
    source: Source
  }
  
  
negative.code: scalar Value
  scalar Bytes
  scalar Object
  scalar ByteOffset
  scalar FileIndex
  
  