extensions/markdown-language-features/src/features/workspaceSymbolProvider.ts/MarkdownWorkspaceSymbolProvider/getSymbols
class MarkdownWorkspaceSymbolProvider:	private getSymbols(document: SkinnyTextDocument): Lazy<Thenable<vscode.SymbolInformation[]>> {
		return lazy(async () => {
			return this._symbolProvider.provideDocumentSymbolInformation(document);
		});
	}