@Override
    public String toString() {
        return "UserDependency{" +
               "userRef=" + userRef +
               ", details='" + details + '\'' +
               ", docRef=" + docRef +
               '}';
    }
The document that has the dependency on the user.
May be null.
stroom-util-shared/src/main/java/stroom/util/shared/UserDependency.java