public Builder mergeFixedFrequencySchedule(
        com.google.cloud.memorystore.v1.AutomatedBackupConfig.FixedFrequencySchedule value) {
      if (fixedFrequencyScheduleBuilder_ == null) {
        if (scheduleCase_ == 2
            && schedule_
                != com.google.cloud.memorystore.v1.AutomatedBackupConfig.FixedFrequencySchedule
                    .getDefaultInstance()) {
          schedule_ =
              com.google.cloud.memorystore.v1.AutomatedBackupConfig.FixedFrequencySchedule
                  .newBuilder(
                      (com.google.cloud.memorystore.v1.AutomatedBackupConfig.FixedFrequencySchedule)
                          schedule_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          schedule_ = value;
        }
        onChanged();
      } else {
        if (scheduleCase_ == 2) {
          fixedFrequencyScheduleBuilder_.mergeFrom(value);
        } else {
          fixedFrequencyScheduleBuilder_.setMessage(value);
        }
      }
      scheduleCase_ = 2;
      return this;
    }
<pre>
Optional. Trigger automated backups at a fixed frequency.
</pre>

<code>
.google.cloud.memorystore.v1.AutomatedBackupConfig.FixedFrequencySchedule fixed_frequency_schedule = 2 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/AutomatedBackupConfig.java