 import flashx.textLayout.conversion.ConversionType;
 import flashx.textLayout.edit.EditManager;
 import flashx.textLayout.edit.ISelectionManager;
+import flashx.textLayout.edit.IUndoManager;
 import flashx.textLayout.edit.SelectionFormat;
+import flashx.textLayout.edit.UndoManager;
 import flashx.textLayout.elements.Configuration;
 import flashx.textLayout.elements.FlowElement;
 import flashx.textLayout.elements.ParagraphElement;

        super();

        _content = textFlow = createEmptyTextFlow();
    }
    
    //--------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////

import flashx.textLayout.edit.EditManager;
import flashx.textLayout.edit.IUndoManager;
import flashx.textLayout.operations.FlowOperation;

class TextViewEditManager extends EditManager
{
    public function TextViewEditManager(undoManager:IUndoManager = null)
    {
        super(undoManager);
    }

    public function execute(flowOperation:FlowOperation):void
