src/Bootstrap.php
public function register(string ...$mods) : void
    {
        $this->kms = array_unique(array_merge($this->kms, $mods));
    }
public function register(string ...$mods) : void
    {
        $this->kms = array_unique(array_merge($this->kms, $mods));
    }
setting kernel mods
@param string ...$mods