public Builder clearFixedFrequencySchedule() {
      if (fixedFrequencyScheduleBuilder_ == null) {
        if (scheduleCase_ == 2) {
          scheduleCase_ = 0;
          schedule_ = null;
          onChanged();
        }
      } else {
        if (scheduleCase_ == 2) {
          scheduleCase_ = 0;
          schedule_ = null;
        }
        fixedFrequencyScheduleBuilder_.clear();
      }
      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