def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from .subject_set import SubjectSet

        from .subject_set import SubjectSet

        fields: dict[str, Callable[[Any], None]] = {
            "durationBeforeAutomaticDenial": lambda n : setattr(self, 'duration_before_automatic_denial', n.get_timedelta_value()),
            "durationBeforeEscalation": lambda n : setattr(self, 'duration_before_escalation', n.get_timedelta_value()),
            "escalationApprovers": lambda n : setattr(self, 'escalation_approvers', n.get_collection_of_object_values(SubjectSet)),
            "fallbackEscalationApprovers": lambda n : setattr(self, 'fallback_escalation_approvers', n.get_collection_of_object_values(SubjectSet)),
            "fallbackPrimaryApprovers": lambda n : setattr(self, 'fallback_primary_approvers', n.get_collection_of_object_values(SubjectSet)),
            "isApproverJustificationRequired": lambda n : setattr(self, 'is_approver_justification_required', n.get_bool_value()),
            "isEscalationEnabled": lambda n : setattr(self, 'is_escalation_enabled', n.get_bool_value()),
            "@odata.type": lambda n : setattr(self, 'odata_type', n.get_str_value()),
            "primaryApprovers": lambda n : setattr(self, 'primary_approvers', n.get_collection_of_object_values(SubjectSet)),
        }
        return fields

        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        
msgraph/generated/models/access_package_approval_stage.py