hunk.code_window:     <T extends Function>(fn: T): T & IAction
       <T extends Function>(name: string, fn: T): T & IAction
       // named decorator
       (customName: string): (target: Object, key: string, baseDescriptor?: PropertyDescriptor) => void
       // unnamed decorator
  
hunk.labels: keep keep keep keep replace keep keep
hunk.after_edit:     (customName: string): (target: Object, key: string | symbol, baseDescriptor?: PropertyDescriptor) => void
  
hunk.file_path: src/api/action.ts
hunk.type: replace
file: // Jest Snapshot v1, https://goo.gl/fbAQLP
  
  exports[`computed value 1`] = `
  "ComputedValue@2[function () {
      return 3;
    }]"
  `;
  