Method \App\Utilities\HandleNullState::getFunctions() does not have return type hint for its return value but it should be possible to add it based on @return annotation "array".
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return [
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new Twig_SimpleFunction('handleNullState', [$this, 'handleNullState']),
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];
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}
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/**
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* This function checks if the argument is empty, if false then it will echo html for null state given, if true then return default html.
Method \App\Utilities\HandleNullState::handleNullState() does not have return type hint for its return value but it should be possible to add it based on @return annotation "void".