extensions/typescript-language-features/src/languageFeatures/tagClosing.ts/TagClosing/getTagSnippet
class TagClosing:	private getTagSnippet(closingTag: Proto.TextInsertion): vscode.SnippetString {
		const snippet = new vscode.SnippetString();
		snippet.appendPlaceholder('', 0);
		snippet.appendText(closingTag.newText);
		return snippet;
	}