import com.google.j2objc.annotations.WeakOuter;
import java.util.concurrent.Executor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 * Base class for services that do not need a thread while "running" but may need one during startup
 * and shutdown. Subclasses can implement {@link #startUp} and {@link #shutDown} methods, each which
 * run in an executor which by default uses a separate thread for each method.
 *

            }
            if (handler == null) {
                String path = System.getProperty(HANDLER_PKGS_PROPERTY);
                StringTokenizer tokenizer = new StringTokenizer(path, "|");
                while (tokenizer.hasMoreTokens()) {
                    String provider = tokenizer.nextToken().trim();
                    if (provider.equals("jcifs.smb1")) continue;

        dstIndex += 4;

        return dstIndex - start;
    }


    @Override
    protected int writeBytesWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        while ( this.pad-- > 0 ) {
            dst[ dstIndex++ ] = (byte) 0xEE;
        }
        System.arraycopy(this.b, this.off, dst, dstIndex, this.dataLength);
        dstIndex += this.dataLength;

type healRoutine struct {
	tasks   chan healTask
	workers int
}

func activeListeners() int {
	// Bucket notification and http trace are not costly, it is okay to ignore them
	// while counting the number of concurrent connections
	return int(globalHTTPListen.Subscribers()) + int(globalTrace.Subscribers())
}

func waitForLowIO(maxIO int, maxWait time.Duration, currentIO func() int) {

    }
    static int readn( InputStream in,
                byte[] b,
                int off,
                int len ) throws IOException {
        int i = 0, n;

        while (i < len) {
            n = in.read( b, off + i, len - i );
            if (n <= 0) {
                break;
            }
            i += n;
        }

        return i;
    }

 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface BuilderProblem {

    /**
     * Gets the hint about the source of the problem. While the syntax of this hint is unspecified and depends on the
     * creator of the problem, the general expectation is that the hint provides sufficient information to the user to

                    @Override
                    public void print(Object o) {

                        String string = o.toString();
                        int i = string.length() - 1;
                        while (i >= 0) {
                            char c = string.charAt(i);
                            if (c == '\n' || c == '\r' || c == ' ') i--;
                            else break;
                        }

      assertThat(network.nodes()).isEmpty();
      assertThat(network.edges()).isEmpty();
      AbstractNetworkTest.validateNetwork(network);

      while (network.nodes().size() < NUM_NODES) {
        network.addNode(gen.nextInt(NODE_POOL_SIZE));
      }
      ArrayList<Integer> nodeList = new ArrayList<>(network.nodes());
      for (int i = 0; i < NUM_EDGES; ++i) {

          // shift is either the number of powers of 2 left to multiply a by, or the biggest shift
          // possible while keeping a in an unsigned long.
          a = UnsignedLongs.remainder(a << shift, m);
          remainingPowersOf2 -= shift;
        } while (remainingPowersOf2 > 0);
        return a;
      }

      @Override
      long mulMod(long a, long b, long m) {

    try {
      queue.dispatch();
    } finally {
      logger.removeHandler(logHandler);
    }

    assertEquals(1, logHandler.getStoredLogRecords().size());
    assertEquals(
        "Exception while executing callback: MyListener custom-label",
        logHandler.getStoredLogRecords().get(0).getMessage());
  }

  public void testEnqueueAndDispatch_multithreaded() throws InterruptedException {