<BUG>import jetbrains.mps.lang.migration.runtime.base.RefactoringSession;import java.util.Map;</BUG><CONTEXT>import jetbrains.mps.smodel.structure.Extension;import org.jetbrains.mps.openapi.language.SAbstractConcept;import org.jetbrains.mps.openapi.language.SProperty;import org.jetbrains.mps.openapi.language.SContainmentLink;import org.jetbrains.mps.openapi.language.SReferenceLink;<extra_id_0>import org.jetbrains.mps.openapi.module.SModuleReference;import jetbrains.mps.internal.collections.runtime.MapSequence;import java.util.HashMap;</CONTEXT>
import jetbrains.mps.smodel.Language;import java.util.Map;