import type { PerseusRenderer } from "@khanacademy/perseus-core";
/**
 * Contract test helper that verifies widget ID extraction implementations
 * produce identical results. Tests both the Renderer component method and
 * the standalone utility function against the same scenarios to ensure
 * behavioral consistency.
 */
export declare function testWidgetIdExtraction(name: string, runExtractor: (r: PerseusRenderer, options?: {
    inline?: boolean;
}) => readonly string[]): void;