class TestConfigEntityWithPluginCollections

class TestConfigEntityWithPluginCollections extends ConfigEntityBaseWithPluginCollections {
    protected $pluginCollection;
    protected $pluginManager;
    public function setPluginManager(PluginManagerInterface $plugin_manager) {
        $this->pluginManager = $plugin_manager;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getPluginCollections() {
        if (!$this->pluginCollection) {
            $this->pluginCollection = new DefaultLazyPluginCollection($this->pluginManager, [
                'the_instance_id' => [
                    'id' => 'the_instance_id',
                ],
            ]);
        }
        return [
            'the_plugin_collection_config' => $this->pluginCollection,
        ];
    }

}