private static void qualifyTarget(ASTNode target_node, Project project, String qualifier) {
    final PyElementGenerator generator = PyElementGenerator.getInstance(project);
    target_node.addChild(generator.createDot(), target_node.getFirstChildNode());
    target_node.addChild(sure(generator.createFromText(LanguageLevel.getDefault(), PyReferenceExpression.class, qualifier, new int[]{0,0}).getNode()), target_node.getFirstChildNode());
  }
private static void qualifyTarget(ASTNode target_node, Project project, String qualifier)