external atom Document id "async:document";
import interface DocumentData;
import interface Summarizer;
package ControllerRuntime id "async:controller-runtime" revision "async:controller-runtime@1" {
  function echo id "async:controller:echo" : string -> string execution snapshot targets [server];
  operation refresh id "async:controller:refresh" : record { operationId: string; } -> string
  mode call execution remote receiver atom Document requires {
    interface document id "async:controller:document" : DocumentData using [content.get, summary.set];
    interface provider id "async:controller:provider" : Summarizer using [summarize.call];
  };
}