/**
 * Injects next/head tags into a Next.js component file.
 *
 * @param {string} file - Path to the file to transform
 */
export declare function transformFile(file: string): Promise<void>;
/**
 * Optimizes Next.js components by injecting SEO-friendly <Head> tags.
 */
export declare function optimizeNextjsComponents(targetDir?: string): Promise<void>;
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