* atomic: a read observes the full set of values as they were before or after the commit, but never
 * a mix of values.
 *
 * Clients call [get] to read a snapshot of an entry. The read will observe the value at the time
 * that [get] was called. Updates and removals after the call do not impact ongoing reads.
 *

        ServerMessageBlock.writeInt2(0, buf, 42);

        assertThrows(RuntimeException.class, () -> block.decode(buf, 0));
    }

    @Test
    @DisplayName("readAndXWireFormat reads chained plain SMB and marks received")
    void testReadAndXWireFormatWithPlainSMB() {
        DummyPlainSMB next = new DummyPlainSMB();
        // The implementation uses andx.wordCount, which starts at 0 by default

        }

        // Test concurrent reads
        Thread[] readThreads = new Thread[3];
        for (int i = 0; i < readThreads.length; i++) {
            readThreads[i] = new Thread(() -> {
                for (int j = 0; j < 100; j++) {
                    List<DirectoryCacheEntry.FileInfo> children = entry.getChildren();
                    // Just read, don't assert specific counts due to race conditions

scan:
	for {
		offset := d.pos - 1

		// read string key
		if c != '"' {
			err = d.mkError(ErrSyntax, "looking for beginning of object key string")
			break
		}
		if k, err = d.string(); err != nil {
			break
		}

		// read colon before value
		if c = d.skipSpaces(); c != ':' {
			err = d.mkError(ErrSyntax, "after object key")
			break
		}

		// read value
		d.skipSpaces()
		if d.emitKV {

	// check not at EOF
	b.WriteString("abcdefghijklmnopqrstuvwxyz")

	// after unsuccessful read
	if n, err := b.Read(nil); n != 0 || err != nil {
		t.Fatalf("Read(nil) = %d,%v; want 0,nil", n, err)
	}
	if err := b.UnreadByte(); err == nil {
		t.Fatal("UnreadByte after Read(nil): got no error")
	}

	// after successful read
	if _, err := b.ReadBytes('m'); err != nil {
		t.Fatalf("ReadBytes: %v", err)
	}

 * views are modifiable.
 *
 * <p>This class is not threadsafe when any concurrent operations update the multimap. Concurrent
 * read operations will work correctly if the last write <i>happens-before</i> any reads. To allow
 * concurrent update operations, wrap your multimap with a call to {@link
 * Multimaps#synchronizedSetMultimap}.
 *

 * encode/decode operation.
 */
public class DcerpcMessageTest {

    /**
     * A trivial concrete subclass used for testing. It simply writes a
     * single small value in {@code encode_in} and reads it in
     * {@code decode_out}.
     */
    private static class TestMessage extends DcerpcMessage {
        int decodedValue = 0;

        TestMessage() {
            /* nothing */
        }

      // The removed stream may be blocked on a connection-wide window update.
      notifyAll()

      return stream
    }
  }

  internal fun updateConnectionFlowControl(read: Long) {
    withLock {
      readBytes.update(total = read)
      val readBytesToAcknowledge = readBytes.unacknowledged
      if (readBytesToAcknowledge >= okHttpSettings.initialWindowSize / 2) {
        writeWindowUpdateLater(0, readBytesToAcknowledge)

            shift += 7
          } else {
            result += b shl shift // Last byte.
            break
          }
        }
        return result
      }

      /** Reads a potentially Huffman encoded byte string. */
      @Throws(IOException::class)
      fun readByteString(): ByteString {
        val firstByte = readByte()
        val huffmanDecode = firstByte and 0x80 == 0x80 // 1NNNNNNN

// the [Scanner] returns it to the user. If the token is nil, the
// Scanner reads more data and continues scanning; if there is no more
// data--if atEOF was true--the [Scanner] returns. If the data does not
// yet hold a complete token, for instance if it has no newline while
// scanning lines, a [SplitFunc] can return (0, nil, nil) to signal the
// [Scanner] to read more data into the slice and try again with a