public static long formatAsLong(final Timestamp timestamp) {
        return Instant.ofEpochSecond(timestamp.getSeconds(), timestamp.getNanos()).toEpochMilli();
    }
Adapt the {@code entry} into an upstream metrics {@link HTTPServiceMeshMetric.Builder}.

@return the {@link HTTPServiceMeshMetric.Builder} adapted from the given entry.
oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/LogEntry2MetricsAdapter.java