@Value("${write.buffer.lowwatermark}")
    void setWriteBufferLowWaterMark(String writeBufferLowWaterMark) {
        this.writeBufferLowWaterMark = (int) ByteSizeUnit.getByteSize(writeBufferLowWaterMark, DEFAULT_WRITE_BUFFER_LOW_WATER_MARK);
    }
NOTE module accessibility
@see com.navercorp.pinpoint.bootstrap.java9.module.ModuleSupport#addPermissionToValueAnnotation(JavaModule)
@author jaehong.kim
grpc/src/main/java/com/navercorp/pinpoint/grpc/client/config/ClientOption.java