@Override
    public void visitInstanceOfExpression(@NotNull PsiInstanceOfExpression expression) {
      super.visitInstanceOfExpression(expression);
      if (expression.getPattern() == null) {
        processInstanceOfCheck(expression.getCheckType(), InspectionGadgetsBundle.message("instanceof.concrete.class.problem.descriptor"));
      }
    }
@Override
    public void visitInstanceOfExpression(@NotNull PsiInstanceOfExpression expression)