public void start(List<MeterConfig> configs) {
        final MeterSystem meterSystem = manager.find(CoreModule.NAME).provider().getService(MeterSystem.class);
        this.metricConverts = configs.stream().map(c -> new MetricConvert(c, meterSystem)).collect(Collectors.toList());
    }
Management all of the meter builders.
oap-server/analyzer/agent-analyzer/src/main/java/org/apache/skywalking/oap/server/analyzer/provider/meter/process/MeterProcessService.java