hunk.code_window:   // are being changed, for the inverse operation.
     for (const k in properties) {
       prevProps[k] = selection[k]
     }
  
hunk.labels: keep add keep keep keep
hunk.after_edit:     if (properties[k] == selection[k]) continue
       props[k] = properties[k]
  
hunk.file_path: src/transforms/operations.js
hunk.type: add
file: 
  nodes:
    - kind: block
      type: paragraph
      nodes:
        - kind: text
          text: textone
    - kind: block
      type: paragraph
      nodes:
        - kind: text
          text: two
  