public function aliasClass($class)
    {
        if (Str::contains($class, '\\')) {
            return;
        }

        $fullName = isset($this->classes[$class])
            ? $this->classes[$class]
            : false;

        if ($fullName) {
            $this->shell->writeStdout("[!] Aliasing '{$class}' to '{$fullName}' for this Tinker session.\n");

            class_alias($fullName, $class);
        }
    }