text: const transaction = Sentry.startTransaction({ name: 'some_transaction' });
  
  transaction.setMeasurement('metric.foo', 42, 'ms');
  transaction.setMeasurement('metric.bar', 1337, 'nanoseconds');
  transaction.setMeasurement('metric.baz', 99, 's');
  transaction.setMeasurement('metric.baz', 1);
  
  transaction.finish();
  