@Override
    protected void toString(final StringBuilder sb) {
        super.toString(sb);
        if (streamType != null) {
            sb.append(", type=");
            sb.append(streamType.getId());
        }
        if (feed != null) {
            sb.append(", feed=");
            sb.append(feed.getId());
        }
    }
The stream we are related to.
stroom-legacy/stroom-legacy-model_6_1/src/main/java/stroom/legacy/model_6_1/Stream.java