import { default } from "https://deno.land/x/postcss@8.4.16/lib/previous-map.d.ts";
Source map information from input CSS. For example, source map after Sass compiler.
This class will automatically find source map in input CSS or in file system
near input file (according from
option).
const root = parse(css, { from: 'a.sass.css' })
root.input.map //=> PreviousMap