private static io.opentelemetry.proto.common.v1.KeyValue convertKeyValue(final KeyValue keyValue) {
        return io.opentelemetry.proto.common.v1.KeyValue.newBuilder()
                                                        .setKey(keyValue.getKey())
                                                        .setValue(convertAnyValue(keyValue.getValue()))
                                                        .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