public static int frequency(Iterable<?> iterable, @Nullable Object element) {
    if ((iterable instanceof Multiset)) {
      return ((Multiset<?>) iterable).count(element);
    } else if ((iterable instanceof Set)) {
      return ((Set<?>) iterable).contains(element) ? 1 : 0;
    }
    return Iterators.frequency(iterable.iterator(), element);
  }

  /**

import com.google.common.util.concurrent.ServiceManager.Listener;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.logging.Formatter;

              <exclude>%regex[.*[$]\d+.class]</exclude>
            </excludes>
            <redirectTestOutputToFile>true</redirectTestOutputToFile>
            <runOrder>alphabetical</runOrder>
            <!-- Set max heap for tests. -->
            <!-- Catch dependencies on the default locale by setting it to hi-IN. -->
            <argLine>-Xmx1536M -Duser.language=hi -Duser.country=IN ${test.add.opens}</argLine>
          </configuration>

              <exclude>%regex[.*[$]\d+.class]</exclude>
            </excludes>
            <redirectTestOutputToFile>true</redirectTestOutputToFile>
            <runOrder>alphabetical</runOrder>
            <!-- Set max heap for tests. -->
            <!-- Catch dependencies on the default locale by setting it to hi-IN. -->
            <argLine>-Xmx1536M -Duser.language=hi -Duser.country=IN ${test.add.opens}</argLine>
          </configuration>

        FileInformation basicInfo = mock(FileInformation.class);
        FileInformation standardInfo = mock(FileInformation.class);
        FileInformation internalInfo = mock(FileInformation.class);

        // Set different levels
        when(basicInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_BASIC_INFO);
        when(standardInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_STANDARD_INFO);

        public void setSourceLevel(String sourceLevel) {
            if (sourceLevelSet) {
                throw new IllegalStateException("Cannot reset sourceLevel attribute; it is already set to: " + sourceLevel);
            } else if (!(USER_LEVEL.equals(sourceLevel) || GLOBAL_LEVEL.equals(sourceLevel))) {

	for pool := range globalLocalSetDrives {
		globalLocalSetDrives[pool] = make([][]StorageAPI, endpointServerPools[pool].SetCount)
		for set := range globalLocalSetDrives[pool] {
			globalLocalSetDrives[pool][set] = make([]StorageAPI, endpointServerPools[pool].DrivesPerSet)
		}
	}
	for _, serverPool := range endpointServerPools {
		for _, endpoint := range serverPool.Endpoints {

        FileBasicInfo info =
                new FileBasicInfo(TEST_CREATE_TIME, TEST_LAST_ACCESS_TIME, TEST_LAST_WRITE_TIME, TEST_CHANGE_TIME, TEST_ATTRIBUTES);

        // Verify all values are set correctly
        assertEquals(TEST_CREATE_TIME, info.getCreateTime());
        assertEquals(TEST_LAST_ACCESS_TIME, info.getLastAccessTime());
        assertEquals(TEST_LAST_WRITE_TIME, info.getLastWriteTime());

        });
    }

    /**
     * Stores (inserts or updates) a user in the system.
     * Handles user authentication setup and database persistence.
     * If the surname is blank, it will be set to the user's name.
     *
     * @param user the user entity to store
     */
    public void store(final User user) {
        final String username = user.getName();

     */
    private void emergencyCloseHandle() {
        try {
            synchronized (this) {
                // Force close the handle
                this.open = false;
                this.usageCount.set(0);

                // Clear mutable references to free memory
                // Note: Some fields may be final and cannot be nulled

                // Clear any other mutable state would go here
            }