/** * <code>optional .alluxio.grpc.job.JobInfo jobInfo = 1;</code> */ private com.google.protobuf.SingleFieldBuilderV3< alluxio.grpc.JobInfo, alluxio.grpc.JobInfo.Builder, alluxio.grpc.JobInfoOrBuilder> getJobInfoFieldBuilder() { if (jobInfoBuilder_ == null) { jobInfoBuilder_ = new com.google.protobuf.SingleFieldBuilderV3< alluxio.grpc.JobInfo, alluxio.grpc.JobInfo.Builder, alluxio.grpc.JobInfoOrBuilder>( getJobInfo(), getParentForChildren(), isClean()); jobInfo_ = null; } return jobInfoBuilder_; } public final Builder setUnknownFields(