byte[] actualFileId = new byte[16];
            System.arraycopy(buffer, 80, actualFileId, 0, 16);
            assertArrayEquals(testFileId, actualFileId);

            // Verify that info.encode was called
            verify(mockInfo, times(1)).encode(any(byte[].class), anyInt());

            // Verify total bytes written
            assertTrue(bytesWritten > 32); // At least the fixed part plus some info

  // To avoid a self retain cycle under j2objc, we store null instead of
  // a reference to 'this'. To access the delegate iterable, call #getDelegate(), which converts
  // null back to 'this'.
  private final @Nullable Iterable<E> iterableDelegate;

  /** Constructor for use by subclasses. */
  protected FluentIterable() {
    this.iterableDelegate = null;
  }

  FluentIterable(Iterable<E> iterable) {

    if (delegate != null) {
      metadata =
          Ints.constrainToRange(size(), CompactHashing.DEFAULT_SIZE, CompactHashing.MAX_SIZE);
      delegate.clear(); // invalidate any iterators left over!
      table = null;
      size = 0;
    } else {
      Arrays.fill(requireKeys(), 0, size, null);
      Arrays.fill(requireValues(), 0, size, null);
      CompactHashing.tableClear(requireTable());

  // To avoid a self retain cycle under j2objc, we store null instead of
  // a reference to 'this'. To access the delegate iterable, call #getDelegate(), which converts
  // null back to 'this'.
  private final @Nullable Iterable<E> iterableDelegate;

  /** Constructor for use by subclasses. */
  protected FluentIterable() {
    this.iterableDelegate = null;
  }

  FluentIterable(Iterable<E> iterable) {

            assertTrue(s1.isEmpty());
            // isBlank will fail if sub_authority is null, so we skip that check for s1

            // All-zero subauthorities
            byte[] ident = new byte[] { 0, 0, 0, 0, 0, 0 };
            rpc.sid_t st = buildSidT((byte) 1, ident, 0, 0);
            SID s2 = new SID(st, jcifs.SID.SID_TYPE_USE_NONE, null, null, false);
            assertFalse(s2.isEmpty());
            assertTrue(s2.isBlank());

   *
   * @return {@code first} if it is non-null; otherwise {@code second} if it is non-null
   * @throws NullPointerException if both {@code first} and {@code second} are null
   * @since 18.0 (since 3.0 as {@code Objects.firstNonNull}).
   */
  public static <T> T firstNonNull(@Nullable T first, @Nullable T second) {
    if (first != null) {
      return first;
    }
    if (second != null) {
      return second;
    }

import java.util.Collection;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * A collection that associates an ordered pair of keys, called a row key and a column key, with a
 * single value. A table may be sparse, with only a small fraction of row key / column key pairs
 * possessing a corresponding value.
 *

        if (methodList == null) {
            return null;
        }

        int l = args.length;
        Class<?>[] classes = new Class[l];

        for (int i = 0; i < l; ++i) {
            Object arg = args[i];
            // if we are careful down below, a null argument goes in there
            // so we can know that the null was passed to the method

}

// Return shuffled partsMetadata depending on fi.Distribution.
// additional validation is attempted and invalid metadata is
// automatically skipped only when fi.ModTime is non-zero
// indicating that this is called during read-phase
func shuffleDisksAndPartsMetadata(disks []StorageAPI, partsMetadata []FileInfo, fi FileInfo) (shuffledDisks []StorageAPI, shuffledPartsMetadata []FileInfo) {
	shuffledDisks = make([]StorageAPI, len(disks))

    }

    public void ignoreMissingClasses(String... classesOrPackages) {
        if (classesOrPackages.length == 0) {
            missingClassExcludes = null;
            return;
        }
        if (missingClassExcludes == null) {
            missingClassExcludes = new TreeSet<>();
        }
        for (String each : classesOrPackages) {
            missingClassExcludes.add(each);
        }
    }