pub fn of_json(s: String) -> ZList(ZList(Neuron))
pub fn realized(network: ZList(ZList(Neuron))) -> ZList( ZList(Neuron), )
pub fn serialized(network: ZList(ZList(Neuron))) -> List( List(NeuronSerialized), )
pub fn to_json(network: ZList(ZList(Neuron))) -> String