You are not authorized to view this page.
');\n }\n });\n}));\n\n// Intercept 404 with JSON response (auto-detected)\napp.use(responseinterceptor.interceptByStatusCode(404, (req, respond) => {\n respond(404, { error: 'Not Found', path: req.path });\n}));\n\n// Intercept 500 with explicit XML content-type\napp.use(responseinterceptor.interceptByStatusCode(500, (req, respond) => {\n respond(500, 'You are not authorized to view this page.
');\n}));\n\n// Example 2: Auto-detect Content-Type (JSON)\napp.use(interceptByStatusCode(404, (req, respond) => {\n respond(404, { error: 'Not Found', path: req.path, timestamp: Date.now() });\n}));\n\n// Example 3: Explicit Content-Type for custom formats\napp.use(interceptByStatusCode(500, (req, respond) => {\n const xmlError = '500The requested resource does not exist.
');\n \n // Automatic detection: application/json (JSON string)\n respond(404, '{\"error\": \"Not Found\"}');\n \n // Automatic detection: text/plain\n respond(404, 'Simple error message');\n}));\n```\n\n**Detection Rules:**\n\n| Content Type | Detection Logic |\n|-------------|-----------------|\n| `application/json` | JavaScript objects or strings starting with `{` or `[` and ending with `}` or `]` |\n| `text/html` | Strings containing ``, ``, or `` tags |\n| `application/octet-stream` | Buffer objects |\n| `text/plain` | All other string content (fallback) |\n\n### Explicit Content-Type Override\n\nFor complete control over the Content-Type header, use the optional third parameter:\n\n```javascript\napp.use(interceptByStatusCode(404, (req, respond) => {\n // Explicit XML content type\n respond(404, '404