src/vs/workbench/contrib/notebook/browser/view/renderers/codeCell.ts/CodeCell/viewUpdateInputCollapsed
class CodeCell:	private viewUpdateInputCollapsed(): void {
		DOM.hide(this.templateData.cellContainer);
		DOM.hide(this.templateData.runButtonContainer);
		DOM.show(this.templateData.collapsedPart);
		DOM.show(this.templateData.outputContainer);
		this.templateData.container.classList.toggle('collapsed', true);
		this._outputContainerRenderer.viewUpdateShowOutputs();

		this.relayoutCell();
	}