<?xml version="1.0" encoding="utf-8"?> <discovery xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://schemas.xmlsoap.org/disco/"> <contractRef ref="http://localhost:8732/OPCService/?wsdl" docRef="http://localhost:8732/OPCService/" xmlns="http://schemas.xmlsoap.org/disco/scl/" /> </discovery>