private static Resource convertResource(final io.opentelemetry.proto.resource.firehose.v0_7.Resource resource) {
        final Resource.Builder builder = Resource.newBuilder();
        for (KeyValue keyValue : resource.getAttributesList()) {
            builder.addAttributes(convertKeyValue(keyValue));
        }
        return builder.build();
    }
Convert IntHistogramDataPoint in OTEL 0.7 to HistogramDataPoint
Notice this method ignore min, max, Exemplar fields in HistogramDataPoint
oap-server/server-receiver-plugin/aws-firehose-receiver/src/main/java/org/apache/skywalking/oap/server/receiver/aws/firehose/OtelMetricsConvertor.java