Class 'Lcobucci\JWT\Builder' not found

Subject of the issue

First, I'm sorry for reporting a bug on 1.0.*@dev . Looks like that's the widely used branch for some of the shortcomings on releases.

Your environment

Q	A
Bug?	yes
New Feature?	no
Framework	Laravel
Framework version	5.5.32
Package version	1.0.0-dev
PHP version	7.1.2

Steps to reproduce

• Persistent on boot.

Expected behaviour

not throw the error experienced.

Actual behaviour

I get Class 'Lcobucci\JWT\Builder' not found Here:

protected function registerLcobucciProvider()
{
    $this->app->singleton('tymon.jwt.provider.jwt.lcobucci', function ($app) {
        return new Lcobucci(
            new JWTBuilder(),
            new JWTParser(),
            $this->config('secret'),
            $this->config('algo'),
            $this->config('keys')
        );
    });
}