try {
javax.xml.ws.Holder<String> portObjectId = convertHolder(objectId);
javax.xml.ws.Holder<String> portChangeToken = convertHolder(changeToken);
javax.xml.ws.Holder<CmisExtensionType> portExtension = convertExtensionHolder(extension);
port.deleteContentStream(repositoryId, portObjectId, portChangeToken, portExtension);
setHolderValue(portObjectId, objectId);
setHolderValue(portChangeToken, changeToken);
setExtensionValues(portExtension, extension);
} catch (CmisException e) {