/** * {@inheritdoc} */ public function getDerivativeDefinitions($base_plugin_definition) { parent::getDerivativeDefinitions($base_plugin_definition); // The data types will all be set to string since language extends string // and the parent class finds the related primitive. foreach ($this->derivatives as $plugin_id => $derivative) { $this->derivatives[$plugin_id]['data_type'] = 'language'; } return $this->derivatives; }