code: def _default_runset_spec():
      return {
          "id": generate_name(),
          "runFeed": {
              "version": 2,
              "columnVisible": {"run:name": False},
              "columnPinned": {},
              "columnWidths": {},
              "columnOrder": [],
              "pageSize": 10,
              "onlyShowSelected": False,
          },
          "enabled": True,
          "selections": {"root": 1, "bounds": [], "tree": []},
          "expandedRowAddresses": [],
      }
  
imports: from typing import Any, Dict, Optional, TypeVar
  from ..public import Api
  from ..public import PythonMongoishQueryGenerator, QueryGenerator, Runs
  from .util import Attr, Base, coalesce, generate_name, nested_get, nested_set
label_desc: Use image node_id 15 for calling the Runset obj's underlying member method code with example usage: obj._default_runset_spec() and returns: dict