anchor.diff:  
   # The participant who started the conversation, currently always a User
   type ConversationInitiator {
  -  # Impulse id.
  -  id: String!
  +  # A type-specific ID likely used as a database ID.
  +  id: ID!
   
     # The type of participant, e.g. Partner or User
     type: String!
  
positive.code: 
  # Fields of an attachment (currently from Radiation)
  type Attachment {
    # Attachment id.
    id: String!
  
    # Content type of file.
    content_type: String!
  
negative.code: }
  
  type SaleArtworkHighestBid {
    # A type-specific ID.
    id: ID
    created_at(
      # This arg is deprecated, use timezone instead
  