def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from .device_install_state import DeviceInstallState
        from .entity import Entity
        from .e_book_install_summary import EBookInstallSummary
        from .ios_vpp_e_book import IosVppEBook
        from .managed_e_book_assignment import ManagedEBookAssignment
        from .mime_content import MimeContent
        from .user_install_state_summary import UserInstallStateSummary

        from .device_install_state import DeviceInstallState
        from .entity import Entity
        from .e_book_install_summary import EBookInstallSummary
        from .ios_vpp_e_book import IosVppEBook
        from .managed_e_book_assignment import ManagedEBookAssignment
        from .mime_content import MimeContent
        from .user_install_state_summary import UserInstallStateSummary

        fields: dict[str, Callable[[Any], None]] = {
            "assignments": lambda n : setattr(self, 'assignments', n.get_collection_of_object_values(ManagedEBookAssignment)),
            "createdDateTime": lambda n : setattr(self, 'created_date_time', n.get_datetime_value()),
            "description": lambda n : setattr(self, 'description', n.get_str_value()),
            "deviceStates": lambda n : setattr(self, 'device_states', n.get_collection_of_object_values(DeviceInstallState)),
            "displayName": lambda n : setattr(self, 'display_name', n.get_str_value()),
            "informationUrl": lambda n : setattr(self, 'information_url', n.get_str_value()),
            "installSummary": lambda n : setattr(self, 'install_summary', n.get_object_value(EBookInstallSummary)),
            "largeCover": lambda n : setattr(self, 'large_cover', n.get_object_value(MimeContent)),
            "lastModifiedDateTime": lambda n : setattr(self, 'last_modified_date_time', n.get_datetime_value()),
            "privacyInformationUrl": lambda n : setattr(self, 'privacy_information_url', n.get_str_value()),
            "publishedDateTime": lambda n : setattr(self, 'published_date_time', n.get_datetime_value()),
            "publisher": lambda n : setattr(self, 'publisher', n.get_str_value()),
            "userStateSummary": lambda n : setattr(self, 'user_state_summary', n.get_collection_of_object_values(UserInstallStateSummary)),
        }
        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/managed_e_book.py