rs.
		$result['total_users'] -= count($superUsers);

		//For each hidden user, subtract one from each of the roles that the user has.
		foreach ($superUsers as $user) {
			if ( !empty($user->roles) && is_array($user->roles) ) {
				foreach ($user->roles as $roleId) {
					if ( isset($result['avail_roles'][$roleId]) ) {
						$result['avail_roles'][$roleId]--;
						if ( $result['avail_roles'][$roleId] <= 0 ) {
							unset($result['avail_roles'][$roleId]);
						}
					}
				}
			} else if ( isset($result['avail_roles']['none']) ) {
				$result['avail_roles']['none']--;
			}
		}

		$this->isInsideCountFilter = false;
		return $result;
	}

	/**
	 * @return int[]
	 */
	private function getSuperUserIDs() {
		$result = $this->menuEditor->get_plugin_option('super_users');
		if ( $result === null ) {
			return array();
		}
		return $result;
	}

	/**
	 * @param int|null $siteId
	 * @return WP_User[]
	 */
	private function getSuperUsers($siteId = null) {
		$ids = $this->getSuperUserIDs();
		if ( empty($ids) ) {
			return array();
		}

		if ( !is_numeric($siteId) ) {
			$siteId = get_current_blog_id();
		}

		//Caution: If you pass an empty array as "include", get_users() will return *all* users from the current site.
		return get_users( array(
			'include' => $ids,
			'blog_id' => $siteId,
		) );
	}

	/**
	 * Is the current user one of the superusers?
	 *
	 * @return bool
	 */
	private function isCurrentUserSuper() {
		$user = wp_get_current_user();
		return $user && $this->isSuperUser($user->ID);
	}

	private function isSuperUser($userId) {
		return in_array($userId, $this->getSuperUserIDs());
	}

	public function enqueueTabScripts() {
		parent::enqueueTabScripts();

		wp_enqueue_auto_versioned_script(
			'ame-super-users',
			plugins_url('super-users.js', __FILE__),
			array('ame-knockout', 'jquery', 'ame-visible-users', 'ame-actor-manager', 'ame-jquery-cookie')
		);

		//Pass users to JS.
		$users = array();
		foreach($this->getSuperUsers() as $user) {
			$properties = $this->menuEditor->user_to_property_map($user);
			$properties['avatar_html'] = get_avatar($user->ID, 32);
			$users[$user->user_login] = $properties;
		}

		$currentUser = wp_get_current_user();
		wp_localize_script(
			'ame-super-users',
			'wsAmeSuperUserSettings',
			array(
				'superUsers' => $users,
				'userEditUrl' => admin_url('user-edit.php'),
				'currentUserLogin' => $currentUser->get('user_login'),
			)
		);
	}

	public function enqueueTabStyles() {
		parent::enqueueTabStyles();

		wp_enqueue_auto_versioned_style(
			'ame-super-users-css',
			plugins_url('super-users.css', __FILE__)
		);
	}

	public function handleFormSubmission($action, $post = array()) {
		//Note: We don't need to check user permissions here because plugin core already did.
		if ( $action === 'ame_save_super_users' ) {
			check_admin_referer($action);

			$userIDs = array_map('intval', explode(',', $post['settings'], 100));
			$userIDs = array_unique(array_filter($userIDs));

			//Save settings.
			$this->menuEditor->set_plugin_option('super_users', $userIDs);

			wp_redirect($this->getTabUrl(array('message' => 1)));
			exit;
		}
	}
}