class default extends Valueimport { default } from "https://deno.land/x/postcss_autoprefixer@0.2.4/lib/hacks/display-flex.js"; Constructorsnewdefault(name, prefixes)Methodscheck(decl)Faster check for flex value old(prefix)Change value for old specs prefixed(prefix)Return value by spec replace(string, prefix)Add prefix to value depend on flebox spec version