[
   {
        "operation": "summarize_column_names",
        "description": "Summarize the unique orders of column names.",
        "parameters": {
            "summary_name": "column name summary",
            "summary_filename": "column_name_summary"
        }
    },
    {
        "operation": "summarize_column_values",
        "description": "Summarize column values.",
        "parameters": {
            "summary_name": "column values summary",
            "summary_filename": "column_values_summary",
            "skip_columns": ["onset", "duration", "sample", "value"],
            "value_columns": ["stim_file", "trial"]
        }
    }
]