Zephir\Stubs\MethodDocBlock::parseMethodReturnType PHP Method

    protected function parseMethodReturnType(ClassMethod $method)
    {
        $return = [];
        $returnTypes = $method->getReturnTypes();
        if ($returnTypes) {
            foreach ($returnTypes as $type) {
                if (isset($type['data-type'])) {
                    $return[] = $type['data-type'] == 'variable' ? 'mixed' : $type['data-type'];
                }
            }
        }
        $returnClassTypes = $method->getReturnClassTypes();
        if ($returnClassTypes) {
            foreach ($returnClassTypes as $key => $returnClassType) {
                if ($this->aliasManager->isAlias($returnClassType)) {
                    $returnClassTypes[$key] = "\\" . $this->aliasManager->getAlias($returnClassType);
                }
            }
            $return = array_merge($return, $returnClassTypes);
        }
        if ($method->hasReturnTypesRaw()) {
            $returnClassTypes = $method->getReturnTypesRaw();
            if (!empty($returnClassTypes['list'])) {
                foreach ($returnClassTypes['list'] as $returnType) {
                    if (empty($returnType['cast']) || !$returnType['collection']) {
                        continue;
                    }
                    $key = $returnType['cast']['value'];
                    $type = $key;
                    if ($this->aliasManager->isAlias($type)) {
                        $type = "\\" . $this->aliasManager->getAlias($type);
                    }
                    $return[$key] = $type . '[]';
                }
            }
        }
        if (!empty($return)) {
            $this->return = [implode('|', $return), ''];
        }
    }