def by_activity_based_timeout_policy_id(self,activity_based_timeout_policy_id: str) -> ActivityBasedTimeoutPolicyItemRequestBuilder:
        """
        Provides operations to manage the activityBasedTimeoutPolicies property of the microsoft.graph.policyRoot entity.
        param activity_based_timeout_policy_id: The unique identifier of activityBasedTimeoutPolicy
        Returns: ActivityBasedTimeoutPolicyItemRequestBuilder
        """
        if activity_based_timeout_policy_id is None:
            raise TypeError("activity_based_timeout_policy_id cannot be null.")
        from .item.activity_based_timeout_policy_item_request_builder import ActivityBasedTimeoutPolicyItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["activityBasedTimeoutPolicy%2Did"] = activity_based_timeout_policy_id
        return ActivityBasedTimeoutPolicyItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the activityBasedTimeoutPolicies property of the microsoft.graph.policyRoot entity.
        param activity_based_timeout_policy_id: The unique identifier of activityBasedTimeoutPolicy
        Returns: ActivityBasedTimeoutPolicyItemRequestBuilder
        
msgraph/generated/policies/activity_based_timeout_policies/activity_based_timeout_policies_request_builder.py