methods that are imported from traits as aliases can't be searched for

I was searching on api.d.org for 'drupalCreateUser', which I can see used in lots of functional tests.

All I could find was BrowserTestBase::drupalCreateUser() in 8.0, but nothing in recent branches.

It turns out it's this:

abstract class BrowserTestBase extends TestCase {

SNIP

  use UserCreationTrait {
    createRole as drupalCreateRole;
    createUser as drupalCreateUser;
  }

So there is no method drupalCreateUser() defined anywhere in Drupal code, but lots of code calls this because a trait import aliases it.

It there anything that can be done to allow this to be searched for, or linked to?

(Sorry, I keep filing issues here that are really awkward cases!)