How much of configuration files do you remember?

This is a general question for more experienced programmers: I'm noticing a recurring theme in learning programming, especially Java frameworks, that there is some configuring to be up front to reap the benefits. I get frustrated because the configurations don't stick with me the way other language concepts do, and I'm wondering if that's a problem?

A great example is the Hibernate course I'm taking now. The instructor goes into an aside about inner static builder classes, and I really got that concept as an abstract, and can see how it extends naturally from how classes are formed - I'd say a large portion of that stuck with me in the first go through. In contrast, I didn't retain any of the initial setup stuff for Hibernate itself. Is a SessionFactory built by initializing a ServiceRegistry and passing that to a MetadataSources object? Sure, I guess, but I don't know how you would know that besides memorizing it. Obviously you'll get it after 100 times, but as an experienced programmer, are you saving boiler plate files of configurations when you work with a new framework? Or do you pour over how the various objects chain together before moving on to the "fun" parts? Or is it somewhere in the middle?

Thanks in advance for your advice Chris