Is it possible to use ARRAY_OF_MAPS or HASH_OF_MAPS?

[FallingSnow]

I tried using just a hashmap with an array as a value but loading the program returns an error about a pointer to a map when expecting a pointer to a value.

Is a map of maps not implemented?

More information about a map of maps: https://docs.kernel.org/next/bpf/map_of_maps.html