Cannot use Database and Auth together

[echosalik]

I m getting this error:
Fatal error: Cannot use Kreait\Firebase\Http\Auth as Auth because the name is already in use vendor\kreait\firebase-php\src\Firebase\Database.php on line 10

But it doesn't make sense. The conflict comes from the Auth.php because there is already a Class with name Auth but the namespace is different for both, so it should not matter. Right?

Disabling line 10 on Database.php removes the error. Which is am using as a fix.

[ktamas77]

You are using a different library.
To use this library you need to install it with composer require ktamas77/firebase-php