src/Bootstrap/Laravel/ServiceProvider.php
public function registerCallers()
    {
        $this->app->bind(MiddlewareCaller::class, Caller::class);
        $this->app->bind('mrs.middleman.caller', Caller::class);
        $this->app->alias('mrs.middleman.caller', 'middleware.caller');
    }
public function registerCallers()
    {
        $this->app->bind(MiddlewareCaller::class, Caller::class);
        $this->app->bind('mrs.middleman.caller', Caller::class);
        $this->app->alias('mrs.middleman.caller', 'middleware.caller');
    }
Bind the abstract terms to the application container.

@return $this;