src/vs/editor/contrib/parameterHints/browser/parameterHintsWidget.ts/ParameterHintsWidget/renderMarkdownDocs
class ParameterHintsWidget:	private renderMarkdownDocs(markdown: IMarkdownString | undefined): IMarkdownRenderResult {
		const renderedContents = this.renderDisposeables.add(this.markdownRenderer.render(markdown, {
			asyncRenderCallback: () => {
				this.domNodes?.scrollbar.scanDomNode();
			}
		}));
		renderedContents.element.classList.add('markdown-docs');
		return renderedContents;
	}