code: def get_data(self) -> Dict[str, Any]:
      return {
          "series_preferences": self.series_preferences,
          "chart_type": self.chart_type,
          "step_range": self.step_range,
          "focus_smoothed": self.focus_smoothed,
      }
  
imports: from typing import Dict, List, Any, Union
label_desc: Use image node_id 4 for calling the Preferences obj's underlying member method code with example usage: obj.get_data() and returns: dict