}

                        val reader = ClassReader(Files.newInputStream(file))
                        val details = classes[reader.className]
                        details.visited = true
                        val classWriter = ClassWriter(0)
                        reader.accept(
                            ClassRemapper(
                                classWriter,

      } finally {
        currentThread.setName(originalName);
      }
    }
  }

  public void fetch(HttpUrl url) throws IOException {
    // Skip hosts that we've visited many times.
    AtomicInteger hostnameCount = new AtomicInteger();
    AtomicInteger previous = hostnames.putIfAbsent(url.host(), hostnameCount);
    if (previous != null) hostnameCount = previous;

 * class CrawlingService extends AbstractScheduledService {
 *   private Set<Uri> visited;
 *   private Queue<Uri> toCrawl;
 *   protected void startUp() throws Exception {
 *     toCrawl = readStartingUris();
 *   }
 *
 *   protected void runOneIteration() throws Exception {
 *     Uri uri = toCrawl.remove();
 *     Collection<Uri> newUris = crawl(uri);
 *     visited.add(uri);
 *     for (Uri newUri : newUris) {

    private
    val visitedSignature: MethodSignatureVisitor? by unsafeLazy {
        delegate.signature?.let { signature ->
            MethodSignatureVisitor(asmLevel).also { visitor -> SignatureReader(signature).accept(visitor) }
        }
    }
}


data class ApiTypeUsage(
    val sourceName: String,
    internal val isNullable: Boolean = false,
    val type: ApiType? = null,

 * class CrawlingService extends AbstractScheduledService {
 *   private Set<Uri> visited;
 *   private Queue<Uri> toCrawl;
 *   protected void startUp() throws Exception {
 *     toCrawl = readStartingUris();
 *   }
 *
 *   protected void runOneIteration() throws Exception {
 *     Uri uri = toCrawl.remove();
 *     Collection<Uri> newUris = crawl(uri);
 *     visited.add(uri);
 *     for (Uri newUri : newUris) {

"^ftp://.*"        → ftpClient
"^smb://.*"        → smbClient
"^storage://.*"    → storageClient
```

### Services

**UrlQueueService**: URL queue management (FIFO), duplicate detection via `visited()`
**DataService**: Access result persistence, iteration

**Implementations**:
- `UrlQueueServiceImpl`, `DataServiceImpl`: In-memory (default)
- `OpenSearchDataService`: OpenSearch backend (persistent)

            [Guava's philosophy](https://github.com/google/guava/wiki/PhilosophyExplained), and
            I strongly believe that this proposal aligns with it.
          required: true
        - label: >
            I have visited the [idea graveyard](https://github.com/google/guava/wiki/IdeaGraveyard),
            and did not see anything similar to this idea.

        private int indexToRemove = ABSENT;
        private int expectedModCount = biMap.modCount;

        // Calls to setValue on inverse entries can move already-visited entries to the end.
        // Make sure we don't visit those.
        private int remaining = biMap.size;

        private void checkForComodification() {
          if (biMap.modCount != expectedModCount) {

getMessage(); } org/codehaus/plexus/util/dag/CycleDetector.class package org.codehaus.plexus.util.dag; public synchronized class CycleDetector { private static final Integer NOT_VISTITED; private static final Integer VISITING; private static final Integer VISITED; public void CycleDetector(); public static java.util.List hasCycle(DAG); public static java.util.List introducesCycle(Vertex, java.util.Map); public static java.util.List introducesCycle(Vertex); private static boolean isNotVisited(Vertex, java.util.Map);...

        // check url
        if (crawlerContext.getRobotsTxtUrlSet().contains(robotTxtUrl)) {
            if (logger.isDebugEnabled()) {
                logger.debug("{} is already visited.", robotTxtUrl);
            }
            return;
        }

        if (logger.isInfoEnabled()) {
            logger.info("Checking URL: {}", robotTxtUrl);
        }
        // add url to a set