{
    "success": true,
    "node_count": 2,
    "ast_structure": {
        "kind": "RegexPattern",
        "children": [
            {
                "kind": "RegexPattern",
                "children": [],
                "text_length": 161,
                "is_leaf": true
            }
        ],
        "text_length": 161,
        "is_leaf": false
    },
    "errors": []
}