class default extends Declarationimport { default } from "https://deno.land/x/postcss_autoprefixer@0.2.4/lib/hacks/transform-decl.js"; Methodscontain3d(decl)Is transform contain 3D commands insert(decl,prefix,prefixes,)Don't add prefix for IE in keyframes keyframeParents(decl)Recursively check all parents for @keyframes set(decl, prefix)Replace rotateZ to rotate for IE 9