hunk.code_window: import React from 'react'
   import ReactDOM from 'react-dom'
   import initialState from './state.json'
   import isImage from 'is-image-url'
   import { Map } from 'immutable'
   /**
    * Define a set of node renderers.
  
hunk.labels: keep keep keep replace keep keep keep keep
hunk.after_edit: import isImage from 'is-image'
   import isUrl from 'is-url'
  
hunk.file_path: examples/images/index.js
hunk.type: replace
file: 
  nodes:
    - kind: block
      type: paragraph
      nodes:
        - kind: text
          ranges:
            - text: w
            - text: ora
              marks:
                - type: bold
            - text: d
  