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/**
* Resolve nested selectors following the CSS nesting specification.
*
* @example
*
* ```js
* import { resolveNestedSelector } from '@csstools/selector-resolve-nested';
* import parser from 'postcss-selector-parser';
*
* const selector = parser().astSync('.foo &');
* const parent = parser().astSync('.bar');
*
* // .foo .bar
* console.log(
* resolveNestedSelector(selector, parent).toString()
* )
* ```
*
* @packageDocumentation
*/
import type { Root } from 'postcss-selector-parser';
/**
* Flatten a nested selector against a given parent selector.
*
* ⚠️ This is not a method to generate the equivalent un-nested selector.
* It is purely a method to construct a single selector AST that contains the parts of both the current and parent selector.
* It will not have the correct specificity and it will not match the right elements when used as a selector.
* It will not always serialize to a valid selector.
*
* @param selector - The selector to resolve.
* @param parentSelector - The parent selector to resolve against.
* @returns The resolved selector.
*/
export declare function flattenNestedSelector(selector: Root, parentSelector: Root): Root;
/**
* Resolve a nested selector against a given parent selector.
*
* @param selector - The selector to resolve.
* @param parentSelector - The parent selector to resolve against.
* @returns The resolved selector.
*/
export declare function resolveNestedSelector(selector: Root, parentSelector: Root): Root;
export { }
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