presto-main/src/main/java/io/prestosql/operator/scalar/JsonToArrayCast.java/JsonToArrayCast/JsonToArrayCast
class JsonToArrayCast:    private JsonToArrayCast()
    {
        super(OperatorType.CAST,
                ImmutableList.of(castableFromTypeParameter("T", JSON.getTypeSignature())),
                ImmutableList.of(),
                arrayType(new TypeSignature("T")),
                ImmutableList.of(JSON.getTypeSignature()),
                true);
    }