src/vs/workbench/contrib/notebook/browser/view/renderers/markdownCell.ts/BuiltinMarkdownRenderer/constructor
class BuiltinMarkdownRenderer:	constructor(
		private readonly notebookEditor: IActiveNotebookEditor,
		private readonly viewCell: MarkupCellViewModel,
		private readonly container: HTMLElement,
		private readonly markdownContainer: HTMLElement,
		private readonly editorAccessor: () => CodeEditorWidget | null
	) {
		super();

		this._register(getResizesObserver(this.markdownContainer, undefined, () => {
			if (viewCell.getEditState() === CellEditState.Preview) {
				this.viewCell.renderedMarkdownHeight = container.clientHeight;
			}
		})).startObserving();
	}