ApiGen\Parser\Elements\ElementStorage::categorizeParsedElements PHP Method

    private function categorizeParsedElements()
    {
        foreach ($this->parserStorage->getTypes() as $type) {
            $elements = $this->parserStorage->getElementsByType($type);
            foreach ($elements as $elementName => $element) {
                if (!$element->isDocumented()) {
                    continue;
                }
                if ($element instanceof ConstantReflectionInterface) {
                    $elementType = Elements::CONSTANTS;
                    $this->constants[$elementName] = $element;
                } elseif ($element instanceof FunctionReflectionInterface) {
                    $elementType = Elements::FUNCTIONS;
                    $this->functions[$elementName] = $element;
                } elseif ($element->isInterface()) {
                    $elementType = Elements::INTERFACES;
                    $this->interfaces[$elementName] = $element;
                } elseif ($element->isTrait()) {
                    $elementType = Elements::TRAITS;
                    $this->traits[$elementName] = $element;
                } elseif ($element->isException()) {
                    $elementType = Elements::EXCEPTIONS;
                    $this->exceptions[$elementName] = $element;
                } else {
                    $elementType = Elements::CLASSES;
                    $this->classes[$elementName] = $element;
                }
                $this->categorizeElementToNamespaceAndPackage($elementName, $elementType, $element);
            }
        }
        $this->sortNamespacesAndPackages();
        $this->areElementsCategorized = true;
        $this->addUsedByAnnotation();
    }