public NetworkBuilder<N, E> expectedEdgeCount(int expectedEdgeCount) {
    this.expectedEdgeCount = Optional.of(checkNonNegative(expectedEdgeCount));
    return this;
  }
public NetworkBuilder<N, E> expectedEdgeCount(int expectedEdgeCount) {
    this.expectedEdgeCount = Optional.of(checkNonNegative(expectedEdgeCount));
    return this;
  }
public NetworkBuilder < N , E > expectedEdgeCount ( int expectedEdgeCount ) { this . expectedEdgeCount = Optional . of ( checkNonNegative ( expectedEdgeCount ) ) ; return this ; }
Specifies the expected number of edges in the network.

@throws IllegalArgumentException if {@code expectedEdgeCount} is negative
Specifies the expected number of edges in the network .