public void setTopicDefaultPreferences(java.util.Collection<TopicPreference> topicDefaultPreferences) {
        if (topicDefaultPreferences == null) {
            this.topicDefaultPreferences = null;
            return;
        }

        this.topicDefaultPreferences = new java.util.ArrayList<TopicPreference>(topicDefaultPreferences);
    }
<p>
The default topic preferences applied to the contact.
</p>

@param topicDefaultPreferences
       The default topic preferences applied to the contact.
aws-java-sdk-sesv2/src/main/java/com/amazonaws/services/simpleemailv2/model/GetContactResult.java