code: def get_default_settings() -> Dict:
      settings = {
          "frequency": Frequency.ANY,
          "prefer_smoke_tests": False,
          "test_attr_regex_filters": None,
          "ray_wheels": None,
          "ray_test_repo": None,
          "ray_test_branch": None,
          "priority": Priority.DEFAULT,
          "no_concurrency_limit": False,
      }
      return settings
  
file_path: ray/release/ray_release/buildkite/settings.py
imports: import enum
  import os
  import subprocess
  from typing import Optional, Dict, Tuple
  from ray_release.exception import ReleaseTestConfigError
  from ray_release.logger import logger
  from ray_release.wheels import DEFAULT_BRANCH, get_buildkite_repo_branch
label_desc: Use image node_id 7 for calling a global function with example usage: get_default_settings() and returns: settings