In Swanson v. White, 83 Wn.2d 175, 183, 517 P.2d 959 (1973), the court read an exemption into the landlord lien statute in order to save the statute's constitutionality. The court first recognized that statutes should be interpreted to preserve constitutionality where possible. Id. at 183. The court then recited the rule of expressio unius est exclusio alterius, noting that at first glance it would seem the rule would exclude any implied exemption. Id. However, the court did not apply the rule, not, as the Party argues, merely because constitutional interpretation was at issue, but largely because of "strongly manifested" legislative intent found elsewhere in the statute favoring the implied exemption. Id.