message: add returnType: 'Cursor' to clone
diff: @@ -131,6 +131,7 @@ class:
  - description: 'shell-api.cursor.help.batch-size.description'
  clone: # not documented
  <<: *__defaultMethod
  + returnType: 'Cursor'
  help:
  help: 'shell-api.cursor.help.clone.example'
  docs: 'shell-api.cursor.help.clone.link'
  