src/Colorium/Stateful/Provider/Repository.php
public function set($key, $value)
    {
        ArrayDot::set($_SESSION[$this->root], $key, $value);
    }
public function set($key, $value)
    {
        ArrayDot::set($_SESSION[$this->root], $key, $value);
    }
Set value in session

@param string $key
@param mixed $value