dhtml_menu-8.x-1.x-dev/dhtml_menu.install

<?php

/**
 * @file
 *   Installation and update functions for the DHTML Menu module.
 */

/**
 * Implements hook_schema().
 */
function dhtml_menu_schema() {
  return [
    'nav' => 'open',
    'animation' => array(
      'effects' => array(
        'height' => 'height',
        'opacity' => 'opacity',
      ),
      'speed' => 500,
    ),
    'effects' => array(
      'siblings' => 'close-same-tree',
      'children' => 'none',
      'remember' => 0,
    ),
    'filter' => array(
      'type' => 'blacklist',
      'list' => array(),
    ),
  ];
}