return checkNotNull(key);
  }

  @Override
  V checkValue(V value) {
    return checkNotNull(value);
  }

  /**
   * @serialData the key class, value class, number of entries, first key, first value, second key,
   *     second value, and so on.
   */
  @GwtIncompatible // java.io.ObjectOutputStream
  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();

        byte[] buffer2 = new byte[] { 0x20, 0x00, 0x00, 0x00 }; // 32

        response.readParameterWordsWireFormat(buffer1, 0);
        assertEquals(16L, response.getOffset(), "First read should set offset to 16");

        response.readParameterWordsWireFormat(buffer2, 0);
        assertEquals(32L, response.getOffset(), "Second read should update offset to 32");
    }

    @Test

    /**
     * Find the releases prior to the supplied version, and find the changelog files in those releases by inspecting the
     * git trees at each tag.
     * <p>
     * If the supplied version is the very first in a new major series, then the method will look tag in the previous
     * major series. Otherwise, all git tags in the current major series will be inspected.
     *
     * @param gitWrapper used for git operations

            lsarpc.LsarTransNameArray names = new lsarpc.LsarTransNameArray();
            names.count = in.length;
            names.names = new lsarpc.LsarTranslatedName[in.length];
            // First is a user
            names.names[0] = new lsarpc.LsarTranslatedName();
            names.names[0].sid_type = (short) jcifs.SID.SID_TYPE_USER;
            names.names[0].name = new UnicodeString("alice", false);

   * Number value = optionalInt.or(0.5); // error
   *
   * FluentIterable<? extends Number> numbers = getSomeNumbers();
   * Optional<? extends Number> first = numbers.first();
   * Number value = first.or(0.5); // error
   * }
   *
   * <p>As a workaround, it is always safe to cast an {@code Optional<? extends T>} to {@code

## 額外功能 { #additional-features }

除了[教學 - 使用者指南：安全性](../../tutorial/security/index.md)中涵蓋的內容外，還有一些用來處理安全性的額外功能。

/// tip

以下各節**不一定是「進階」**內容。

而且你的情境很可能可以在其中找到解決方案。

///

## 請先閱讀教學 { #read-the-tutorial-first }

以下各節假設你已閱讀主要的[教學 - 使用者指南：安全性](../../tutorial/security/index.md)。

	return bytealg.LastIndexByte(s, c)
}

// IndexRune interprets s as a sequence of UTF-8-encoded code points.
// It returns the byte index of the first occurrence in s of the given rune.
// It returns -1 if rune is not present in s.
// If r is [utf8.RuneError], it returns the first instance of any
// invalid UTF-8 byte sequence.
func IndexRune(s []byte, r rune) int {
	const haveFastIndex = bytealg.MaxBruteForce > 0
	switch {

setting [Transport.DisableKeepAlives] to `true` will disable connection reuse.
However, such performance degradation usually indicates improper configuration
or usage of [Transport] or [Client] in the first place, and a deeper look would

 *
 * <p>In this documentation, the terms <i>greatest</i>, <i>greater</i>, <i>least</i>, and
 * <i>lesser</i> are considered to refer to the comparator on the elements, and the terms
 * <i>first</i> and <i>last</i> are considered to refer to the elements' ordering in a list.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
final class SortedLists {
  private SortedLists() {}

  /**

       * documented in the Javadoc. If a row Comparator is provided, cellSet() iterates across the
       * columns in the first row, the columns in the second row, etc. If a column Comparator is
       * provided but a row Comparator isn't, cellSet() iterates across the rows in the first
       * column, the rows in the second column, etc.
       */
      Comparator<Cell<R, C, V>> comparator =