public <N1 extends N, E1 extends E> MutableNetwork<N1, E1> build() {
    return new ConfigurableMutableNetwork<N1, E1>(this);
  }
public < N1 extends N , E1 extends E > MutableNetwork < N1 , E1 > build ( ) { return new ConfigurableMutableNetwork < N1 , E1 > ( this ) ; }
Returns an empty {@link MutableNetwork} with the properties of this {@link NetworkBuilder}.