import jetbrains.mps.nodeEditor.EditorCell;
import jetbrains.mps.nodeEditor.EditorContext;
import jetbrains.mps.smodel.SNode;
import jetbrains.mps.nodeEditor.EditorCell_Collection;
import java.awt.Color;
<BUG>import jetbrains.mps.nodeEditor.PropertyAccessor;
import jetbrains.mps.nodeEditor.EditorCell_Property;

import jetbrains.mps.nodeEditor.MPSFonts;
import jetbrains.mps.nodeEditor.MPSColors;
import jetbrains.mps.nodeEditor.EditorCellAction;
import jetbrains.mps.nodeEditor.CellAction_DeleteProperty;
import jetbrains.mps.annotations.PropertyAttributeConcept;</BUG>
import jetbrains.mps.smodel.IOperationContext;

import jetbrains.mps.nodeEditor.EditorCell;
import jetbrains.mps.nodeEditor.EditorContext;
import jetbrains.mps.smodel.SNode;
import jetbrains.mps.nodeEditor.EditorCell_Collection;
import java.awt.Color;
import jetbrains.mps.nodeEditor.EditorCell_Constant;
import jetbrains.mps.nodeEditor.cellProviders.CellProviderWithRole;
import jetbrains.mps.nodeEditor.MPSFonts;
import jetbrains.mps.nodeEditor.EditorCell_Label;
import jetbrains.mps.nodeEditor.MPSColors;
import jetbrains.mps.bootstrap.editorLanguage.cellProviders.PropertyCellProvider;
import jetbrains.mps.smodel.IOperationContext;
