interface CSSNamespaceRule implements CSSRuleimport { type CSSNamespaceRule } from "https://deno.land/x/evt@v2.4.16/lib/types/lib.dom.ts"; An object representing a single CSS @namespace at-rule. It implements the CSSRule interface, with a type value of 10 (CSSRule.NAMESPACE_RULE). PropertiesreadonlynamespaceURI: stringreadonlyprefix: string