 import flashx.textLayout.operations.InsertTextOperation;
 import flashx.textLayout.operations.PasteOperation;
 import flashx.textLayout.tlf_internal;
-import flashx.undo.IOperation;
 import flashx.undo.IUndoManager;
 
-import mx.core.IEmbeddedFontRegistry;
 import mx.core.IFlexModuleFactory;
 import mx.core.IIMESupport;
-import mx.core.IUIComponent;
-import mx.core.Singleton;
 import mx.core.UIComponent;
 import mx.core.mx_internal;
 import mx.events.FlexEvent;

import flash.events.FocusEvent;
import flash.events.KeyboardEvent;
import flash.events.MouseEvent;
import flash.geom.Matrix;
import flash.geom.Rectangle;
import flash.system.IME;
import flash.system.IMEConversionMode;

        staticPlainTextExporter =
            TextConverter.getExporter(TextConverter.PLAIN_TEXT_FORMAT);
            
        classInitialized = true;
    } 
    
