public Builder setScheduleTime(com.google.protobuf.Timestamp value) {
      if (scheduleTimeBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        scheduleTime_ = value;
      } else {
        scheduleTimeBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
<pre>
Optional. Timestamp when the maintenance shall be rescheduled to if
reschedule_type=SPECIFIC_TIME, in RFC 3339 format.
Example: `2012-11-15T16:19:00.094Z`.
</pre>

<code>.google.protobuf.Timestamp schedule_time = 3 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/RescheduleMaintenanceRequest.java