import { StylesheetLanguage } from './stylesheet-plugin-factory';
export declare function resetSassWorkerPoolCaches(): void;
export declare function shutdownSassWorkerPool(): void;
export declare const SassStylesheetLanguage: Readonly<StylesheetLanguage>;
export declare function isPackageUrl(url: string): boolean;
/**
 * Returns the scope of the package resolutions of a stylesheet. A stylesheet within `node_modules`
 * is scoped to the root of its package, which follows the last `node_modules` segment of its path.
 * Every file of a package resolves packages against the same `node_modules` directories, while a
 * nested dependency has its own. All other stylesheets share the working directory, allowing
 * component stylesheets to share package resolutions.
 */
export declare function getPackageScope(containingPath: string | undefined, workingDirectory: string | undefined): string;