@Override
      public void visitLambdaExpression(@NotNull PsiLambdaExpression lambda) {
        if (lambda.getParameterList().getParametersCount() != 3) return;
        PsiType type = lambda.getFunctionalInterfaceType();
        if (!InheritanceUtil.isInheritor(type, HANDLER_CLASS)) return;
        check(lambda);
      }
@Override
      public void visitLambdaExpression(@NotNull PsiLambdaExpression lambda)