code: def to_model(self):
      return dict(
          method=self.method,
          keep_one=self.keep_one,
          all_selected_mask=self._all_selected_mask.to_dict()
          if self._all_selected_mask is not None
          else None,
          all_metrics=self._all_metrics.to_dict()
          if self._all_metrics is not None
          else None,
          all_host_metrics={
              k: v.to_dict() for k, v in self._all_host_metrics.items()
          }
          if self._all_host_metrics is not None
          else None,
          selected_mask=self._selected_mask.to_dict(),
          host_selected_mask={
              k: v.to_dict()
              for k, v in self._host_selected_mask.items()
          }
          if self._host_selected_mask is not None
          else None,
          all_host_selected_mask={
              k: v.to_dict()
              for k, v in self._all_host_selected_mask.items()
          }
          if self._all_host_selected_mask is not None
          else None,
      )
  
imports: import copy
  import logging
  import math
  import random
  import numpy
  import pandas
  from fate.arch import Context
  from ..abc.module import HeteroModule, Module
label_desc: Use image node_id 17 for calling the StandardSelection obj's underlying member method code with example usage: obj.to_model() and returns: dict