void writeEndpointCertificateMetadataZK() {
            endpointCertificateMetadata.ifPresent(metadata ->
                    endpointCertificateMetadataStore.writeEndpointCertificateMetadata(applicationId, metadata));
            checkTimeout("write endpoint certificate metadata to zookeeper");
        }
Warn on use of deprecated XML features
configserver/src/main/java/com/yahoo/vespa/config/server/session/SessionPreparer.java