private init make(args: nullable Array[AExpr], n_qualified: nullable AQualified, mpropdef: nullable MMethodDef)
	do
		var n_args = new AListExprs
		if args != null then
			n_args.n_exprs.add_all(args)
		end
		_mpropdef = mpropdef
		self.init_asuperexpr(n_qualified, new TKwsuper, n_args)
	end