Overrides Drupal\views\Plugin\views\style\StylePluginBase::render().
Provides the mapping definition as an available variable.
Overrides StylePluginBase::render
function render() {
return array(
'#theme' => $this
->themeFunctions(),
'#view' => $this->view,
'#options' => $this->options,
'#rows' => $this->view->result,
'#mapping' => $this
->defineMapping(),
);
}