import type { JsonSerializable } from './types.js';
/**
 * Internal helper responsible for resolving test plugin specifiers
 * and mapping local file URLs to browser-accessible /@fs paths for Vite.
 */
export declare class PluginResolver {
    /**
     * Resolves test plugin specifiers relative to the specified root directory.
     *
     * @param plugins List of plugin specifiers or [specifier, options] tuples.
     * @param cwd Working directory root path.
     * @returns Array of resolved plugin tuples `[resolvedUrl, options]`.
     */
    resolve(plugins: (JsonSerializable | undefined)[] | undefined, cwd: string): Promise<(JsonSerializable | undefined)[][]>;
}