@Override
    void removeChild(@SuppressWarnings("unused") Node child)
    {
        // Remove child
        if(this._identificador_ == child)
        {
            this._identificador_ = null;
            return;
        }

        if(this._colcheteE_ == child)
        {
            this._colcheteE_ = null;
            return;
        }

        if(this._numeroInt_ == child)
        {
            this._numeroInt_ = null;
            return;
        }

        if(this._colcheteD_ == child)
        {
            this._colcheteD_ = null;
            return;
        }

        throw new RuntimeException("Not a child.");
    }