docstr: Validate the option.
docstr_tok: ["Validate","the","option","."]
code: def validate(self, keyword: str, value: Any):
      """Validate the option."""
      if self.type_constraint is not None:
          if not isinstance(value, self.type_constraint):
              raise TypeError(
                  f"The type of keyword '{keyword}' must be {self.type_constraint}, "
                  f"but received type {type(value)}"
              )
      if self.value_constraint is not None:
          possible_error_message = self.value_constraint(value)
          if possible_error_message:
              raise ValueError(possible_error_message)
  
file_path: ray/python/ray/_private/ray_option_utils.py
imports: import warnings
  from dataclasses import dataclass
  from typing import Any, Callable, Dict, Optional, Tuple, Union
  import ray
  from ray._private import ray_constants
  from ray._private.utils import get_ray_doc_version
  from ray.util.placement_group import PlacementGroup
  from ray.util.scheduling_strategies import NodeAffinitySchedulingStrategy, PlacementGroupSchedulingStrategy, NodeLabelSchedulingStrategy
label_desc: Use image node_id 1 for calling the Option obj's underlying member method code with example usage: obj.validate(keyword, value) without return types