code: public static WorkerInfo fromProto(alluxio.grpc.WorkerInfo workerInfo) {
      return new WorkerInfo().setAddress(fromProto(workerInfo.getAddress()))
          .setCapacityBytes(workerInfo.getCapacityBytes())
          .setCapacityBytesOnTiers(workerInfo.getCapacityBytesOnTiers()).setId(workerInfo.getId())
          .setLastContactSec(workerInfo.getLastContactSec())
          .setStartTimeMs(workerInfo.getStartTimeMs()).setState(workerInfo.getState())
          .setUsedBytes(workerInfo.getUsedBytes())
          .setUsedBytesOnTiers(workerInfo.getUsedBytesOnTiersMap());
    }
docs: Converts a proto type to a wire type.
  
  @param workerInfo the proto type to convert
  @return the converted wire type