src/vs/workbench/contrib/notebook/browser/view/cellParts/cellOutput.ts/CellOutputContainer/_generateShowMoreElement
class CellOutputContainer:	private _generateShowMoreElement(disposables: DisposableStore): HTMLElement {
		const md: IMarkdownString = {
			value: `There are more than ${this.options.limit} outputs, [show more (open the raw output data in a text editor) ...](command:workbench.action.openLargeOutput)`,
			isTrusted: true,
			supportThemeIcons: true
		};

		const rendered = renderMarkdown(md, {
			actionHandler: {
				callback: (content) => {
					if (content === 'command:workbench.action.openLargeOutput') {
						this.openerService.open(CellUri.generateCellOutputUri(this.notebookEditor.textModel!.uri));
					}

					return;
				},
				disposables
			}
		});
		disposables.add(rendered);

		rendered.element.classList.add('output-show-more');
		return rendered.element;
	}