src/TokenStorage/FileTokenStorage.php
public function getAccessToken(): ApiAccessToken
    {
        if (!is_readable($this->filename)) {
            throw new UnableToAcquireAccessToken('Access Token is not found in the storage.');
        }

        $data = file_get_contents($this->filename);

        if (!empty($data) && substr_count($data, '|') === 1) {
            $data = explode('|', $data);
            return ApiAccessToken::create($data[0] ?? '', (int) ($data[1] ?? 0));
        }

        throw new UnableToAcquireAccessToken('Access Token is not found in the storage.');
    }
public function getAccessToken(): ApiAccessToken
    {
        if (!is_readable($this->filename)) {
            throw new UnableToAcquireAccessToken('Access Token is not found in the storage.');
        }

        $data = file_get_contents($this->filename);

        if (!empty($data) && substr_count($data, '|') === 1) {
            $data = explode('|', $data);
            return ApiAccessToken::create($data[0] ?? '', (int) ($data[1] ?? 0));
        }

        throw new UnableToAcquireAccessToken('Access Token is not found in the storage.');
    }
{@inheritdoc}