/**
 * Write a JSON output file with pretty-printing.
 */
export declare function writeJsonOutput(dir: string, filename: string, data: unknown): string;
/**
 * Write a markdown output file.
 */
export declare function writeMarkdownOutput(dir: string, filename: string, content: string): string;
/**
 * Read and parse a JSON file, returning null if it doesn't exist.
 */
export declare function readJsonFile<T>(filePath: string): T | null;
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