Airship\Cabin\Bridge\Blueprint\Permissions::buildMultiContextGroupTree PHP Method

    public function buildMultiContextGroupTree(string $cabin, array $contexts = [], array $actions = []) : array
    {
        $return = [];
        foreach ($contexts as $ctx) {
            $return[$ctx] = $this->buildGroupTree($cabin, (int) $ctx, $actions);
        }
        return $this->flattenMultiContextTree($return, $contexts, $actions);
    }