@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (hasScheduleTime()) {
        hash = (37 * hash) + SCHEDULE_TIME_FIELD_NUMBER;
        hash = (53 * hash) + getScheduleTime().hashCode();
      }
      hash = (37 * hash) + INTERVAL_DURATION_DAYS_FIELD_NUMBER;
      hash = (53 * hash) + getIntervalDurationDays();
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<pre>
Required. The duration of time between executions in days.
</pre>

<code>int32 interval_duration_days = 2 [(.google.api.field_behavior) = REQUIRED];</code>

@return The intervalDurationDays.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1alpha/src/main/java/com/google/cloud/websecurityscanner/v1alpha/ScanConfig.java