@java.lang.Override
      public boolean hasValidInterval() {
        return startTimingConstraintsCase_ == 5;
      }
<pre>
An absolute time interval within which resources may be created.
</pre>

<code>.google.type.Interval valid_interval = 5;</code>

@return Whether the validInterval field is set.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/QueuedResource.java