init init_asuperexpr (
		n_qualified: nullable AQualified,
		n_kwsuper: nullable TKwsuper,
		n_args: nullable AExprs
	)
	do
		_n_qualified = n_qualified
		if n_qualified != null then n_qualified.parent = self
		_n_kwsuper = n_kwsuper.as(not null)
		n_kwsuper.parent = self
		_n_args = n_args.as(not null)
		n_args.parent = self
	end