src/vs/code/electron-sandbox/issue/issueReporterMain.ts/IssueReporter/getElementById
class IssueReporter:	private getElementById<T extends HTMLElement = HTMLElement>(elementId: string): T | undefined {
		const element = document.getElementById(elementId) as T | undefined;
		if (element) {
			return element;
		} else {
			return undefined;
		}
	}