public void setDefaultCacheBehavior(CacheBehavior defaultCacheBehavior) {
        this.defaultCacheBehavior = defaultCacheBehavior;
    }
<p>
An object that describes the default cache behavior of the distribution.
</p>

@param defaultCacheBehavior
       An object that describes the default cache behavior of the distribution.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/LightsailDistribution.java