import com.sun.xml.internal.ws.protocol.soap.VersionMismatchException; //导入依赖的package包/类
public static final Message decode(SOAPVersion soapVersion, XMLStreamReader reader, @NotNull AttachmentSet attachmentSet) {
    // Move to soap:Envelope and verify
    if(reader.getEventType()!=XMLStreamConstants.START_ELEMENT)
        XMLStreamReaderUtil.nextElementContent(reader);
    XMLStreamReaderUtil.verifyReaderState(reader,XMLStreamConstants.START_ELEMENT);
    if (SOAP_ENVELOPE.equals(reader.getLocalName()) && !soapVersion.nsUri.equals(reader.getNamespaceURI())) {
        throw new VersionMismatchException(soapVersion, soapVersion.nsUri, reader.getNamespaceURI());
    }
    XMLStreamReaderUtil.verifyTag(reader, soapVersion.nsUri, SOAP_ENVELOPE);
    return new StreamMessage(soapVersion, reader, attachmentSet);
}