 Patch = require 'atom-patch'
 
-SerializationVersion = 3
+SerializationVersion = 4
 
 class Checkpoint
   constructor: (@id, @snapshot, @isBoundary) ->

            type: 'group-end'
            snapshot: @delegate.serializeSnapshot(entry.snapshot)
          }
        when Patch
          {
            type: 'patch'
            content: entry.serialize()
          }
        else
          {
            type: 'change'
            content: @delegate.serializeChange(entry)
          }

  deserializeStack: (stack) ->

          )
        when 'patch'
          Patch.deserialize(entry.content)
