private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Duration,
            com.google.protobuf.Duration.Builder,
            com.google.protobuf.DurationOrBuilder>
        getLeaseDurationFieldBuilder() {
      if (leaseDurationBuilder_ == null) {
        leaseDurationBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Duration,
                com.google.protobuf.Duration.Builder,
                com.google.protobuf.DurationOrBuilder>(
                getLeaseDuration(), getParentForChildren(), isClean());
        leaseDuration_ = null;
      }
      return leaseDurationBuilder_;
    }
<pre>
Required. The desired new lease duration, starting from now.


The maximum lease duration is 1 week.
`lease_duration` will be truncated to the nearest second.
</pre>

<code>.google.protobuf.Duration lease_duration = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-tasks/proto-google-cloud-tasks-v2beta2/src/main/java/com/google/cloud/tasks/v2beta2/RenewLeaseRequest.java