public Builder mergeSchedule(
          com.google.storagetransfer.v1.proto.TransferTypes.Schedule value) {
        if (scheduleBuilder_ == null) {
          if (((bitField0_ & 0x00000100) != 0)
              && schedule_ != null
              && schedule_
                  != com.google.storagetransfer.v1.proto.TransferTypes.Schedule
                      .getDefaultInstance()) {
            getScheduleBuilder().mergeFrom(value);
          } else {
            schedule_ = value;
          }
        } else {
          scheduleBuilder_.mergeFrom(value);
        }
        if (schedule_ != null) {
          bitField0_ |= 0x00000100;
          onChanged();
        }
        return this;
      }
<pre>
Specifies schedule for the transfer job.
This is an optional field. When the field is not set, the job never
executes a transfer, unless you invoke RunTransferJob or update the job to
have a non-empty schedule.
</pre>

<code>.google.storagetransfer.v1.Schedule schedule = 5;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java