export type JsdomModule = typeof import('jsdom');
type JsdomLoader = () => Promise<JsdomModule>;
export declare function createJSDOMLoader(loader: JsdomLoader): JsdomLoader;
/**
 * Resolve jsdom to its installed file before importing it. This keeps
 * transitive relative asset loads anchored to a real filesystem URL instead
 * of the host's bundled module URL.
 */
export declare function loadJSDOM(): Promise<JsdomModule>;
/**
 * Probe jsdom without making it a prerequisite for the rest of the plugin.
 * The optional loader is a test seam for the non-fatal failure contract.
 */
export declare function probeJSDOM(load?: JsdomLoader): Promise<string | null>;
export {};