@VisibleForTesting
    PSpanChunk buildPSpanChunk(SpanChunk spanChunk) {
        final PSpanChunk.Builder pSpanChunk = PSpanChunk.newBuilder();

        this.spanProcessor.preProcess(spanChunk, pSpanChunk);
        mapper.map(spanChunk, applicationServiceType, pSpanChunk);
        this.spanProcessor.postProcess(spanChunk, pSpanChunk);
        return pSpanChunk.build();
    }
Not thread safe

@author Woonduk Kang(emeroad)
agent-module/profiler/src/main/java/com/navercorp/pinpoint/profiler/context/grpc/GrpcSpanMessageConverter.java