@java.lang.Override
  public int getDayValue() {
    return day_;
  }
<pre>
Optional. Allows to define schedule that runs specified day of the week.
</pre>

<code>.google.type.DayOfWeek day = 1 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The enum numeric value on the wire for day.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/WeeklyMaintenanceWindow.java