vimeo / psalm

            if ($generic_type_value === 'class-string') {

                $class_name = (string) $generic_params[0];

                if (isset($template_type_map[$class_name])) {

                    $first_class = array_keys($template_type_map[$class_name])[0];

                    return self::getGenericParamClass(

                        $class_name,

                        $template_type_map[$class_name][$first_class][0],

                        $first_class

                    );

                }

                $param_union_types = array_values($generic_params[0]->getAtomicTypes());

        if (strpos($parse_tree->value, '::')) {

            list($fq_classlike_name, $const_name) = explode('::', $parse_tree->value);

            if (isset($template_type_map[$fq_classlike_name]) && $const_name === 'class') {

                $first_class = array_keys($template_type_map[$fq_classlike_name])[0];

                return self::getGenericParamClass(

                    $fq_classlike_name,

                    $template_type_map[$fq_classlike_name][$first_class][0],

                    $first_class

                );

            }

            if ($const_name === 'class') {

                return new Atomic\TLiteralClassString($fq_classlike_name);