/**
 * @create-markdown/preview - Apply Theme
 * Decorate raw HTML (from any markdown parser) with cm-* classes
 */
export interface ApplyThemeOptions {
    /** CSS class prefix (default: 'cm-') */
    classPrefix?: string;
    /** Sanitize the final HTML output */
    sanitize?: boolean | ((html: string) => string);
    /** Override the wrapper element's class */
    wrapperClass?: string;
}
/**
 * Takes raw HTML from any markdown parser and decorates standard elements
 * with cm-* classes so theme CSS applies.
 *
 * Works server-side (pure string manipulation, no DOM required).
 */
export declare function applyPreviewTheme(html: string, options?: ApplyThemeOptions): string;
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