*/
    @Override
    protected Class<?> getLoginActionType() {
        return LoginAction.class;
    }

    /**
     * Converts a user key to a typed user ID.
     * In this implementation, returns the user key as-is.
     *
     * @param userKey the user key to convert
     * @return the typed user ID
     */
    @Override
    protected String toTypedUserId(final String userKey) {
        return userKey;

        }
        commandString.eachLine { line -> logger.info(line) }

        ant.exec(executable: realExecutable, spawn: spawn, dir: cwd, taskname: name) {
            realEnv.each { key, value -> env(key: key, value: value) }
            realArgs.each { arg(value: it) }
        }

        String failedProp = "failed${name}"
        // first wait for resources, or the failure marker from the wrapper script

      "      attr {"
      "        key: 'dtype'"
      "        value {"
      "          type: DT_FLOAT"
      "        }"
      "      }"
      "    }"
      "    node_def {"
      "      name: 'read1'"
      "      op: 'ReadVariableOp'"
      "      input: 'var'"
      "      device: '/job:localhost/replica:0/task:1/device:CPU:0'"
      "      attr {"
      "        key: 'dtype'"
      "        value {"

          $WORKSPACE/.ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dbuild.snapshot=false \

  public void testWeakReadWrite() {
    Striped<ReadWriteLock> striped = Striped.lazyWeakReadWriteLock(1000);
    Object key = new Object();
    Lock readLock = striped.get(key).readLock();
    WeakReference<Object> garbage = createGarbage();
    GcFinalization.awaitClear(garbage);
    Lock writeLock = striped.get(key).writeLock();
    readLock.lock();
    try {
      assertFalse(writeLock.tryLock());
    } finally {

  public void testWeakReadWrite() {
    Striped<ReadWriteLock> striped = Striped.lazyWeakReadWriteLock(1000);
    Object key = new Object();
    Lock readLock = striped.get(key).readLock();
    WeakReference<Object> garbage = createGarbage();
    GcFinalization.awaitClear(garbage);
    Lock writeLock = striped.get(key).writeLock();
    readLock.lock();
    try {
      assertFalse(writeLock.tryLock());
    } finally {

        if (versioning != null) {
            for (SnapshotVersion sv : versioning.getSnapshotVersions()) {
                String key = getKey(sv.getClassifier(), sv.getExtension());
                if (!versions.containsKey(key)) {
                    versions.put(key, sv);
                }
            }
        }

        metadata.getVersioning().setSnapshotVersions(new ArrayList<>(versions.values()));

    /**
     * Perform RDMA read operation
     *
     * @param localRegion local memory region to read into
     * @param remoteAddress remote memory address
     * @param remoteKey remote memory key
     * @param length number of bytes to read
     * @throws IOException if read fails
     */
    public abstract void rdmaRead(RdmaMemoryRegion localRegion, long remoteAddress, int remoteKey, int length) throws IOException;

        }

        // Test control methods
        public void setState(int state) {
            this.state = state;
        }

        public void setPeekedKey(Long key) {
            this.peekedKey = key;
        }

        public void setSendException(IOException e) {
            this.sendException = e;
        }

        public void setRecvException(IOException e) {

├── converter/                  # Reading converters (katakana, romaji)
├── concurrent/                 # Async patterns (Deferred/Promise)
└── util/                      # Utilities
```

### Key Design Patterns

- **Builder**: SuggesterBuilder, SuggestRequestBuilder
- **Facade**: Suggester (main entry point)
- **Composite**: NormalizerChain, ReadingConverterChain