src/vs/workbench/contrib/notebook/browser/diff/diffElementOutputs.ts/OutputContainer/_renderOutput
class OutputContainer:	private _renderOutput(currOutput: ICellOutputViewModel, index: number, beforeElement?: HTMLElement) {
		if (!this._outputEntries.has(currOutput)) {
			this._outputEntries.set(currOutput, new OutputElement(this._editor, this._notebookTextModel, this._notebookService, this._quickInputService, this._diffElementViewModel, this._diffSide, this._nestedCellViewModel, this._outputContainer, currOutput));
		}

		const renderElement = this._outputEntries.get(currOutput)!;
		renderElement.render(index, beforeElement);
	}