private function parse($tokens, ?TypeContext $context = null): array
    {
        $count = count($tokens);
        $tagCount = 0;
        $tags = [];

        for ($i = 1; $i < $count; $i += 2) {
            $tags[] = $this->tagFactory->create($tokens[$i], $context);
            $tokens[$i] = '%' . ++$tagCount . '$s';
        }

        //In order to allow "literal" inline tags, the otherwise invalid
        //sequence "{@}" is changed to "@", and "{}" is changed to "}".
        //"%" is escaped to "%%" because of vsprintf.
        //See unit tests for examples.
        for ($i = 0; $i < $count; $i += 2) {
            $tokens[$i] = str_replace(['{@}', '{}', '%'], ['@', '}', '%%'], $tokens[$i]);
        }

        return [implode('', $tokens), $tags];
    }