/**
 * Shared test utilities for theme-engine tests.
 *
 * Provides common DOM reset, setup, and teardown helpers used across
 * theme-studio-review.test.ts and engine.test.ts.
 */
/** Strip all theme-related attributes and content from the document. */
export declare function resetDom(): void;
/** Clear storage, reset engine cache, reset DOM, optionally apply the default theme. */
export declare function setupThemeTest(applyDefault?: boolean): void;
/** Disconnect observer, reset cache, clear storage, reset DOM. */
export declare function teardownThemeTest(): void;
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