import jetbrains.mps.smodel.IOperationContext;
import jetbrains.mps.smodel.MPSModuleRepository;
import jetbrains.mps.smodel.ModelAccess;
import jetbrains.mps.workbench.action.BaseAction;
import org.apache.log4j.LogManager;
<BUG>import org.apache.log4j.Logger;
import org.jetbrains.mps.openapi.model.SNode;</BUG>
import org.jetbrains.mps.openapi.model.SNodeReference;
import java.util.Map;
public class GenerationTracerTreeNode extends MPSTreeNode {

import jetbrains.mps.smodel.IOperationContext;
import jetbrains.mps.smodel.MPSModuleRepository;
import jetbrains.mps.smodel.ModelAccess;
import jetbrains.mps.workbench.action.BaseAction;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.jetbrains.mps.openapi.model.SModelReference;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeReference;
import java.util.Map;
public class GenerationTracerTreeNode extends MPSTreeNode {
