public Builder setValidUntilDuration(com.google.protobuf.Duration.Builder builderForValue) {
        if (validUntilDurationBuilder_ == null) {
          startTimingConstraints_ = builderForValue.build();
          onChanged();
        } else {
          validUntilDurationBuilder_.setMessage(builderForValue.build());
        }
        startTimingConstraintsCase_ = 1;
        return this;
      }
<pre>
A relative time after which resources should not be created.
If the request cannot be fulfilled by this time the request will be
failed.
</pre>

<code>.google.protobuf.Duration valid_until_duration = 1;</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/QueuedResource.java