src/vs/base/common/observableImpl/logging.ts/ConsoleObservableLogger/handleBeginTransaction
class ConsoleObservableLogger:	handleBeginTransaction(transaction: TransactionImpl): void {
		let transactionName = transaction.getDebugName();
		if (transactionName === undefined) {
			transactionName = '';
		}
		console.log(...this.textToConsoleArgs([
			formatKind('transaction'),
			styled(transactionName, { color: 'BlueViolet' }),
		]));
		this.indentation++;
	}