@java.lang.Override
    public com.google.type.IntervalOrBuilder getValidIntervalOrBuilder() {
      if (startTimingConstraintsCase_ == 5) {
        return (com.google.type.Interval) startTimingConstraints_;
      }
      return com.google.type.Interval.getDefaultInstance();
    }
<pre>
An absolute time interval within which resources may be created.
</pre>

<code>.google.type.Interval valid_interval = 5;</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/QueuedResource.java