View file upload/library/XenForo/ViewPublic/Account/GenderChange.php

<?php

class XenForo_ViewPublic_Account_GenderChange extends XenForo_ViewPublic_Base
{
	public function renderJson()
	{
		$avatarUrls = XenForo_Template_Helper_Core::getAvatarUrls($this->_params['user']);

		return XenForo_ViewRenderer_Json::jsonEncodeForOutput(array(
			'userId' => $this->_params['user']['user_id'],
			'avatarUrls' => $avatarUrls,
			'_redirectMessage' => new XenForo_Phrase('redirect_changes_saved_successfully')
		));
	}
}