public Relay withLastModifiedTimestamp(java.util.Date lastModifiedTimestamp) {
        setLastModifiedTimestamp(lastModifiedTimestamp);
        return this;
    }
<p>
The timestamp of when the relay was last modified.
</p>

@param lastModifiedTimestamp
       The timestamp of when the relay was last modified.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mailmanager/src/main/java/com/amazonaws/services/mailmanager/model/Relay.java