[enriquto]

This is very sound advice.

The interface of the library is intended to help the user of the library, not the developer of the library.

The simplest interface is the best for the user, who does not want to know anything about the implementation details.

In the ideal case, the developer and the api designer will be different persons who are not in good terms to each other. The more the developer hates the api designer, the better.