def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from .chat_message import ChatMessage
        from .chat_message_info import ChatMessageInfo
        from .chat_type import ChatType
        from .chat_viewpoint import ChatViewpoint
        from .conversation_member import ConversationMember
        from .entity import Entity
        from .pinned_chat_message_info import PinnedChatMessageInfo
        from .resource_specific_permission_grant import ResourceSpecificPermissionGrant
        from .teams_app_installation import TeamsAppInstallation
        from .teams_tab import TeamsTab
        from .teamwork_online_meeting_info import TeamworkOnlineMeetingInfo

        from .chat_message import ChatMessage
        from .chat_message_info import ChatMessageInfo
        from .chat_type import ChatType
        from .chat_viewpoint import ChatViewpoint
        from .conversation_member import ConversationMember
        from .entity import Entity
        from .pinned_chat_message_info import PinnedChatMessageInfo
        from .resource_specific_permission_grant import ResourceSpecificPermissionGrant
        from .teams_app_installation import TeamsAppInstallation
        from .teams_tab import TeamsTab
        from .teamwork_online_meeting_info import TeamworkOnlineMeetingInfo

        fields: dict[str, Callable[[Any], None]] = {
            "chatType": lambda n : setattr(self, 'chat_type', n.get_enum_value(ChatType)),
            "createdDateTime": lambda n : setattr(self, 'created_date_time', n.get_datetime_value()),
            "installedApps": lambda n : setattr(self, 'installed_apps', n.get_collection_of_object_values(TeamsAppInstallation)),
            "isHiddenForAllMembers": lambda n : setattr(self, 'is_hidden_for_all_members', n.get_bool_value()),
            "lastMessagePreview": lambda n : setattr(self, 'last_message_preview', n.get_object_value(ChatMessageInfo)),
            "lastUpdatedDateTime": lambda n : setattr(self, 'last_updated_date_time', n.get_datetime_value()),
            "members": lambda n : setattr(self, 'members', n.get_collection_of_object_values(ConversationMember)),
            "messages": lambda n : setattr(self, 'messages', n.get_collection_of_object_values(ChatMessage)),
            "onlineMeetingInfo": lambda n : setattr(self, 'online_meeting_info', n.get_object_value(TeamworkOnlineMeetingInfo)),
            "permissionGrants": lambda n : setattr(self, 'permission_grants', n.get_collection_of_object_values(ResourceSpecificPermissionGrant)),
            "pinnedMessages": lambda n : setattr(self, 'pinned_messages', n.get_collection_of_object_values(PinnedChatMessageInfo)),
            "tabs": lambda n : setattr(self, 'tabs', n.get_collection_of_object_values(TeamsTab)),
            "tenantId": lambda n : setattr(self, 'tenant_id', n.get_str_value()),
            "topic": lambda n : setattr(self, 'topic', n.get_str_value()),
            "viewpoint": lambda n : setattr(self, 'viewpoint', n.get_object_value(ChatViewpoint)),
            "webUrl": lambda n : setattr(self, 'web_url', n.get_str_value()),
        }
        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/chat.py