import type { Plugin } from 'postcss';
/**
 * Increase the specificity of classes generated in Compiled by appended ":not(#\\#)".
 * This rule should run after CSS declarations have been atomicized and should not affect
 * the original generated class name.
 *
 * This means generated class names with / without the increased specificity are the same,
 * so when running Compiled together with (in product) + without it (in platform) they will
 * keep the deterministic behaviour of the last declared style wins, but enjoying increased
 * specificity when used in non-Compiled contexts for migration purposes, e.g. xcss prop
 * being passed to Emotion CSS-in-JS!
 */
export declare const increaseSpecificity: () => Plugin;