def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from .entity import Entity
        from .service_health import ServiceHealth
        from .service_health_issue import ServiceHealthIssue
        from .service_update_message import ServiceUpdateMessage

        from .entity import Entity
        from .service_health import ServiceHealth
        from .service_health_issue import ServiceHealthIssue
        from .service_update_message import ServiceUpdateMessage

        fields: dict[str, Callable[[Any], None]] = {
            "healthOverviews": lambda n : setattr(self, 'health_overviews', n.get_collection_of_object_values(ServiceHealth)),
            "issues": lambda n : setattr(self, 'issues', n.get_collection_of_object_values(ServiceHealthIssue)),
            "messages": lambda n : setattr(self, 'messages', n.get_collection_of_object_values(ServiceUpdateMessage)),
        }
        super_fields = super().get_field_deserializers()
        fields.update(super_fields)
        return fields

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