src/Rbac/PhpManager.php
public function removeAll()
    {
        $this->children = [];
        $this->items = [];
        $this->assignments = [];
        $this->rules = [];
        return $this->save();
    }
public function removeAll()
    {
        $this->children = [];
        $this->items = [];
        $this->assignments = [];
        $this->rules = [];
        return $this->save();
    }
{@inheritdoc}