def get_bigquery_table_ddl(dataset_id: str, table_id: str) -> dict:
    """Retrieves the create table statement of a specified BigQuery table.

    Args:
        dataset_id: The ID of the BigQuery dataset.
        table_id: The ID of the BigQuery table.
        tool_context: ToolContext,

    Returns:
        A dictionary containing the DDL statement for the table, or an error message if the table is not found.  The dictionary will have a "ddl" key if successful or an "error" key if not.
    """
    try:
        from google.cloud import bigquery

        client = bigquery.Client()
        ddl_query = f"""
            SELECT ddl
            FROM `{client.project}.{dataset_id}.INFORMATION_SCHEMA.TABLES`
            WHERE table_name = '{table_id}'
        """
        print(ddl_query)

        ddl_result = client.query(ddl_query).result()
        ddl_rows = list(ddl_result)

        if ddl_rows:
            ddl = ddl_rows[0].ddl
            return {"ddl": ddl}
        else:
             return {"error": f"Table '{table_id}' not found in dataset '{dataset_id}'."}

    except Exception as e:
        return {"error": f"Error fetching table DDL: {str(e)}"}