{
    "name": "getNucleotides",
    "result_type": "b",
    "constraints": "Triplets[a,b]",
    "call": "Alphabet.getNucleotides[A]",
    "args": [
        {
            "arg_name": "A",
            "arg_type": "a",
	    "default_value": "getAlphabet"
        }
    ]
}
