<?php interface WC_Logger_Interface { public function add($handle, $message, $level = WC_Log_Levels::NOTICE); public function log($level, $message, $context = array()); public function emergency($message, $context = array()); public function alert($message, $context = array()); public function critical($message, $context = array()); public function error($message, $context = array()); public function warning($message, $context = array()); public function notice($message, $context = array()); public function info($message, $context = array()); public function debug($message, $context = array()); }