in src/model/cell.ts [76:87]
constructor(options: LogCellOptions) {
super();
this.id = options.id || UUID.uuid4();
this.executionCount = options.executionCount || undefined;
this.persistentId = options.persistentId || UUID.uuid4();
this.executionEventId = options.executionEventId || UUID.uuid4();
this.hasError = options.hasError || false;
this.text = options.text || "";
this.lastExecutedText = this.text;
this.outputs = options.outputs || [];
this.gathered = false;
}