public void execute(final SNode node, final EditorContext editorContext) {
   EditorCell cell = editorContext.getSelectedCell();
   String linkRole = QueriesUtil.getEditedLinkRole(cell);
   SNode referentNode = QueriesUtil.getEditedLinkReferentNode(cell);
   SNode result =
       SNodeFactoryOperations.setNewAttribute(
           referentNode,
           new IAttributeDescriptor.LinkAttribute(
               SConceptOperations.findConceptDeclaration(
                   "jetbrains.mps.lang.editor.editorTest.structure.ReferenceAnnotataion"),
               linkRole),
           "jetbrains.mps.lang.editor.editorTest.structure.ReferenceAnnotataion");
 }