discussed Cited "see" R. J. Reynolds Tobacco Co. v. Durham County See American Smelting & Refining Co. v. County of Contra Costa, 396 U. S. 273 (1970); Hicks v. Miranda, 422 U. S., at 344 . 21 It is irrelevant that the warehouses in American Smelting were Class 7 customs-bonded warehouses designed “for smelting and refining imported metal-bearing materials for exportation or domestic consumption,” 19 CFR § 19.1 (7) (1986); see also 19 U. S. C. § 1312 (a), and different from the Class 2 and Class 8 warehouses at issue here.