Gets the 'foo.baz' service.
This service is shared. This method always returns the same instance of the service.
protected function getFoo_BazService() {
$this->services['foo.baz'] = $instance = call_user_func(array(
'BazClass',
'getInstance',
));
call_user_func(array(
'BazClass',
'configureStatic1',
), $instance);
return $instance;
}