php - how do i add an autocompletion in my IDE to use Zend helper

I'm using Zend studio. When I want to use a helper my editor doesn't see it. So I couldn't have in a list of methods for autocompletion (when I press crtl+space).

I can use any another IDE like netbeans or eclipse. So please if someone have done something like that, it could be helpful for me.

I'm sure that we have some method because in documentation we have:

$this->headScript()->appendFile(...);
// appenfile, prependfile, ....
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