code: def is_config(self, config_path: str) -> bool:
      base = {
          "dataset",
          "dataset/imagenet",
          "level1/level2/nested1",
          "level1/level2/nested2",
          "configs_with_defaults_list/global_package",
          "configs_with_defaults_list/group_package",
      }
      configs = set([x for x in base] + [f"{x}.yaml" for x in base])
      return config_path in configs
  
file_path: hydra/examples/plugins/example_configsource_plugin/hydra_plugins/example_configsource_plugin/example_configsource_plugin.py
imports: from typing import Any, Dict, List, Optional
  from hydra.core.object_type import ObjectType
  from hydra.plugins.config_source import ConfigLoadError, ConfigResult, ConfigSource
  from omegaconf import OmegaConf
label_desc: Use image node_id 6 for calling the ConfigSourceExample obj's underlying member method code with example usage: obj.is_config(config_path) and returns: unknown