[SPAM] hash of hash

Hello everyone,

I have some simple construction i Java:

class Products{
Map<String, Map<Integer, Double>> object;
}

and to get Double value in Java I can use:

for (Food food : products.getFood()) {
	for (Integer integer : products.getLenghts()) {
		System.out.println(products.getObject().get(food.getName()).get(integer));
	}
}

in freemarker when I am trying to use this construction

[#list products.food as food ]
	[#list products.lenghts as lenghts]
		${products.object[food.name][lenghts]}
	[/#list]
[/#list]

I get unexpected Exception:

Expected number, sequence, or string. products.prices[pizza.name] evaluated
instead to freemarker.template.SimpleHash on line 49, column 35 in
products.ftl.
The problematic instruction:
----------
==> ${products.object[food.name][lenghts]} [on line 49, column 33 in
products.ftl]
----------

IS there any way to get hash from hash directly ?

Thanks for help!
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