code: def get_data(self) -> Dict[str, Any]:
      return {
          "base_series_preferences": self.base_series_preferences,
          "series_preferences": self.series_preferences,
          "base_experiment": self.base_experiment,
          "chart_type": self.chart_type,
          "step_range": self.step_range,
          "focus_smoothed": self.focus_smoothed,
          "is_base_distributed": self.is_base_distributed,
      }
  
imports: from typing import Any, Dict, List
  from fastapi import Request
  from labml_db import Model, Index
  from labml_db.serializer.pickle import PickleSerializer
  from labml_db.serializer.yaml import YamlSerializer
  from starlette.responses import JSONResponse
  from labml_app import utils
  from labml_app.logger import logger
  from .distributed_metrics import get_merged_dist_metrics_tracking, get_merged_metric_tracking_util
  from .metrics import MetricsAnalysis, get_metrics_tracking_util, mget
  from ..analysis import Analysis
  from ..None import preferences
  from ...db import run
label_desc: Use image node_id 4 for calling the ComparisonPreferences obj's underlying member method code with example usage: obj.get_data() and returns: dict