if (omitNulls) {
      helper = helper.omitNullValues();
    }
    return helper;
  }

  @Benchmark
  int toString(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      MoreObjects.ToStringHelper helper = newHelper();
      for (int j = 0; j < dataSize; ++j) {
        dataset.addEntries(helper);
      }
      dummy ^= helper.toString().hashCode();
    }

     */
    public HMACT64(final byte[] key) {
        super("HMACT64");
        final int length = Math.min(key.length, BLOCK_LENGTH);
        for (int i = 0; i < length; i++) {
            ipad[i] = (byte) (key[i] ^ IPAD);
            opad[i] = (byte) (key[i] ^ OPAD);
        }
        for (int i = length; i < BLOCK_LENGTH; i++) {
            ipad[i] = IPAD;
            opad[i] = OPAD;
        }
        try {

     */
    public HMACT64(final byte[] key) {
        super("HMACT64");
        final int length = Math.min(key.length, BLOCK_LENGTH);
        for (int i = 0; i < length; i++) {
            this.ipad[i] = (byte) (key[i] ^ IPAD);
            this.opad[i] = (byte) (key[i] ^ OPAD);
        }
        for (int i = length; i < BLOCK_LENGTH; i++) {
            this.ipad[i] = IPAD;
            this.opad[i] = OPAD;
        }

    }

    @Override
    protected int writeParameterWordsWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override

        this.took = took;
    }

    public int getTotalShards() {
        return totalShards;
    }

    public void setTotalShards(int totalShards) {
        this.totalShards = totalShards;
    }

    public int getSuccessfulShards() {
        return successfulShards;
    }

    public void setSuccessfulShards(int successfulShards) {
        this.successfulShards = successfulShards;
    }

   */
  static long load64Safely(byte[] input, int offset, int length) {
    long result = 0;
    // Due to the way we shift, we can stop iterating once we've run out of data, the rest
    // of the result already being filled with zeros.

    // This loop is critical to performance, so please check HashBenchmark if altering it.
    int limit = min(length, 8);
    for (int i = 0; i < limit; i++) {

     */

    /** The operation completed successfully */
    int ERROR_SUCCESS = 0;
    /** Access is denied */
    int ERROR_ACCESS_DENIED = 5;
    /** No more connections can be made to this remote computer */
    int ERROR_REQ_NOT_ACCEP = 71;
    /** The pipe state is invalid */
    int ERROR_BAD_PIPE = 230;
    /** All pipe instances are busy */
    int ERROR_PIPE_BUSY = 231;
    /** The pipe is being closed */

    }

    @Override
    public int getMinorVersion() {
        return minorVersion != null ? minorVersion : 0;
    }

    @Override
    public int getIncrementalVersion() {
        return incrementalVersion != null ? incrementalVersion : 0;
    }

    @Override
    public int getBuildNumber() {
        return buildNumber != null ? buildNumber : 0;
    }

    @Override

    /**
     * SID type indicating a local group or alias.
     */
    public static final int SID_TYPE_ALIAS = lsarpc.SID_NAME_ALIAS;
    /**
     * SID type indicating a well-known group.
     */
    public static final int SID_TYPE_WKN_GRP = lsarpc.SID_NAME_WKN_GRP;
    /**
     * SID type indicating a deleted account.
     */

@RunWith(JUnit4.class)

@NullUnmarked
public final class NetworkMutationTest {
  private static final int NUM_TRIALS = 5;
  private static final int NUM_NODES = 20;
  private static final int NUM_EDGES = 100;
  private static final int NODE_POOL_SIZE = 1000; // must be >> NUM_NODES

  @Test
  public void directedNetwork() {
    testNetworkMutation(NetworkBuilder.directed());
  }