code: def _resolve_domain_vars(
      spec: Dict,
      domain_vars: List[Tuple[Tuple, Domain]],
      allow_fail: bool = False,
      random_state: "RandomState" = None,
  ) -> Tuple[bool, Dict]:
      resolved = {}
      error = True
      num_passes = 0
      while error and num_passes < _MAX_RESOLUTION_PASSES:
          num_passes += 1
          error = False
          for path, domain in domain_vars:
              if path in resolved:
                  continue
              try:
                  value = domain.sample(
                      _UnresolvedAccessGuard(spec),
                      random_state=random_state,
                  )
              except RecursiveDependencyError as e:
                  error = e
              except Exception:
                  raise ValueError(
                      "Failed to evaluate expression: {}: {}".format(
                          path, domain
                      )
                  )
              else:
                  assign_value(spec, path, value)
                  resolved[path] = value
      if error:
          if not allow_fail:
              raise error
          else:
              return False, resolved
      return True, resolved
  
imports: import copy
  import logging
  import re
  from collections.abc import Mapping
  from typing import Any, Dict, Generator, Iterable, List, Optional, Tuple
  import numpy
  import random
  from ray.tune.search.sample import Categorical, Domain, Function, RandomState
  from ray.util.annotations import DeveloperAPI, PublicAPI
label_desc: Use image node_id 14 for calling a global function with example usage: _resolve_domain_vars(spec, domain_vars, allow_fail, random_state) and returns: True,  resolved, False,  resolved