protected function _message_legend_items()
 {
     $action_css_classes = EEH_MSG_Template::get_message_action_icons();
     $action_items = array();
     foreach ($action_css_classes as $action_item => $action_details) {
         if ($action_item === 'see_notifications_for') {
             continue;
         }
         $action_items[$action_item] = array('class' => $action_details['css_class'], 'desc' => $action_details['label']);
     }
     /** @type array $status_items status legend setup*/
     $status_items = array('sent_status' => array('class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_sent, 'desc' => EEH_Template::pretty_status(EEM_Message::status_sent, false, 'sentence')), 'idle_status' => array('class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_idle, 'desc' => EEH_Template::pretty_status(EEM_Message::status_idle, false, 'sentence')), 'failed_status' => array('class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_failed, 'desc' => EEH_Template::pretty_status(EEM_Message::status_failed, false, 'sentence')), 'resend_status' => array('class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_resend, 'desc' => EEH_Template::pretty_status(EEM_Message::status_resend, false, 'sentence')), 'incomplete_status' => array('class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_incomplete, 'desc' => EEH_Template::pretty_status(EEM_Message::status_incomplete, false, 'sentence')), 'retry_status' => array('class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_retry, 'desc' => EEH_Template::pretty_status(EEM_Message::status_retry, false, 'sentence')));
     if (EEM_Message::debug()) {
         $status_items['debug_only_status'] = array('class' => 'ee-status-legend ee-status-legend-' . EEM_Message::status_debug_only, 'desc' => EEH_Template::pretty_status(EEM_Message::status_debug_only, false, 'sentence'));
     }
     return array_merge($action_items, $status_items);
 }