Interface NotebookDocumentSyncFeatureShape

interface NotebookDocumentSyncFeatureShape {
    getSynchronizedCells(
        notebookDocument: NotebookDocument,
    ): undefined | NotebookCell[];
    sendDidChangeNotebookDocument(
        event: VNotebookDocumentChangeEvent,
    ): Promise<void>;
    sendDidCloseNotebookDocument(
        notebookDocument: NotebookDocument,
    ): Promise<void>;
    sendDidOpenNotebookDocument(
        notebookDocument: NotebookDocument,
    ): Promise<void>;
    sendDidSaveNotebookDocument(
        notebookDocument: NotebookDocument,
    ): Promise<void>;
}