@Override
    @SuppressWarnings("unchecked")
    public final ObservableMap<String, ObservableList<DocumentProperty>> childrenProperty() {
        return
            (ObservableMap<String, ObservableList<DocumentProperty>>) 
            (ObservableMap<String, ?>)
            children
        ;
    }
{@inheritDoc}
@deprecated Not supported for observables
tool-parent/tool-config/src/main/java/com/speedment/tool/config/AbstractDocumentProperty.java