src/Web/Sessions/Session.php
public function initComponent()
    {
        return $this->open()
            ->then(function() {
                $this->_initialized = true;
                return true;
            }, function($error = null) {
                Reaction::error($error);
            });
    }
public function initComponent()
    {
        return $this->open()
            ->then(function() {
                $this->_initialized = true;
                return true;
            }, function($error = null) {
                Reaction::error($error);
            });
    }
Init callback. Called by parent container/service/component on init and must return a fulfilled Promise
@return PromiseInterface