<?php

class Installer_Upgrader_Skins extends WP_Upgrader_Skin {

	function __construct( $args = array() ) {
		$defaults      = array( 'url' => '', 'nonce' => '', 'title' => '', 'context' => false );
		$this->options = wp_parse_args( $args, $defaults );
	}

	function header() {

	}

	function footer() {

	}

	function error( $error ) {
		$this->installer_error = $error;
	}

	function add_strings() {

	}

	function feedback( $string, ...$args ) {

	}

	function before() {

	}

	function after() {

	}

}