@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof DocRef)) {
            return false;
        }
        //noinspection PatternVariableCanBeUsed // Not in GWT
        final DocRef docRef = (DocRef) o;
        return Objects.equals(uuid, docRef.uuid);
    }
@return The name of the 'document' being referenced
stroom-docref/src/main/java/stroom/docref/DocRef.java