public Collaboration withUpdateTime(java.util.Date updateTime) {
        setUpdateTime(updateTime);
        return this;
    }
<p>
The time the collaboration metadata was last updated.
</p>

@param updateTime
       The time the collaboration metadata was last updated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cleanrooms/src/main/java/com/amazonaws/services/cleanrooms/model/Collaboration.java