 
   stopRefreshingDelay: 100
   stopRefreshingTimeout: null
+  debouncedPreviewDelay: 100
 
   autoPreview: null
   autoPreviewOnQueryChange: null
-  autoPreviewOnNextStopChanging: false
 
   preventSyncToEditor: false
   ignoreChange: false

    @disposables.add(
      @registerCommands()
      @observeChange()
      @observeStopChanging()
      @observeCursorMove()
      @observeStopChangingActivePaneItem()
    )

              if @provider.boundToEditor
                @preview()
              else
                @debouncedPreview()
      else
        @setModifiedState(true)

