code: def to_dict(self):
      data = {
          "name": self.name,
          "action": {"type": "Keep"},
          "mostRecentVersions": {
              "packageNamePrefixes": self.package_name_prefixes,
              "keepCount": self.keep_count,
          },
      }
      return data
  
imports: import abc
  import json
  import yaml
  from typing import List, Optional
label_desc: Use image node_id 2 for calling the MostRecentVersionKeepPolicy obj's underlying member method code with example usage: obj.to_dict() and returns: data