import { Root } from "postcss"; interface Options { prefix?: string | undefined; exclude?: ReadonlyArray | undefined; ignoreFiles?: ReadonlyArray | undefined; includeFiles?: ReadonlyArray | undefined; transform?: | (( prefix: Readonly, selector: Readonly, prefixedSelector: Readonly, file: Readonly, ) => string) | undefined; } declare function postcssPrefixSelector(options: Readonly): (root: Root) => void; export = postcssPrefixSelector;