@Override
    @Deprecated // Deprecated to use but will be retained in the API
    public final <P extends Document, T extends Document> Stream<T> 
    children(String key, BiFunction<P, Map<String, Object>, T> constructor) {
       throw new UnsupportedOperationException("children() shall not be called from a Property");
    }
{@inheritDoc}
@deprecated Not supported for observables
tool-parent/tool-config/src/main/java/com/speedment/tool/config/AbstractDocumentProperty.java