src/vs/workbench/api/common/extHostNotebookDocument.ts/ExtHostCell/asModelAddData
class ExtHostCell:	static asModelAddData(notebook: vscode.NotebookDocument, cell: extHostProtocol.NotebookCellDto): IExtHostModelAddedData {
		return {
			EOL: cell.eol,
			lines: cell.source,
			modeId: cell.language,
			uri: cell.uri,
			isDirty: false,
			versionId: 1,
			notebook
		};
	}