// The most common case is that from is a Reader (like InputStreamReader or StringReader) so
    // take advantage of that.
    if (from instanceof Reader) {
      // optimize for common output types which are optimized to deal with char[]
      if (to instanceof StringBuilder) {
        return copyReaderToBuilder((Reader) from, (StringBuilder) to);
      } else {
        return copyReaderToWriter((Reader) from, asWriter(to));
      }
    }

        header.originalMessageSize = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // Skip reserved (2 bytes)
        bufferIndex += 2;

        // Read flags
        header.flags = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;

        // Read session ID
        header.sessionId = SMBUtil.readInt8(buffer, bufferIndex);

        return header;
    }

              public void close() throws IOException {
                super.close();
                counter[0]--;
              }
            };
          }
        };
    Reader joinedReader = CharSource.concat(reader, reader, reader).openStream();
    String result = CharStreams.toString(joinedReader);
    assertEquals(testString.length() * 3, result.length());
  }

  public void testReady() throws Exception {

    while (lines.peek() == null) {
      Java8Compatibility.clear(cbuf);
      // The default implementation of Reader#read(CharBuffer) allocates a
      // temporary char[], so we call Reader#read(char[], int, int) instead.
      int read = (reader != null) ? reader.read(buf, 0, buf.length) : readable.read(cbuf);
      if (read == -1) {
        lineBuf.finish();
        break;
      }

import okhttp3.internal.ws.WebSocketProtocol.toggleMask
import okio.Buffer
import okio.BufferedSource
import okio.ByteString

/**
 * An [RFC 6455][rfc_6455]-compatible WebSocket frame reader.
 *
 * This class is not thread safe.
 *
 * [rfc_6455]: http://tools.ietf.org/html/rfc6455
 */
class WebSocketReader(
  private val isClient: Boolean,
  val source: BufferedSource,

    }
  }

  private fun send404(
    stream: Http2Stream,
    path: String,
  ) {
    val responseHeaders =
      listOf(
        Header(":status", "404"),
        Header(":version", "HTTP/1.1"),
        Header("content-type", "text/plain"),
      )
    stream.writeHeaders(
      responseHeaders = responseHeaders,
      outFinished = false,
      flushHeaders = false,
    )

    static final long serialVersionUID = 1L;

    private transient Entry header = new Entry(null, null, null);

    private transient int size = 0;

    /**
     * Creates an {@link SLinkedList}.
     */
    public SLinkedList() {
        header.next = header;
        header.previous = header;
    }

    /**
     * Returns the first element.
     *
     * @return the first element

    }

    /**
     * Reads text from the given {@link Reader}.
     * <p>
     * The {@link Reader} is not closed by this method.
     * </p>
     *
     * @param reader
     *            the character input stream to read from (must not be {@literal null})
     * @return the text read from the reader
     */
    public static String readText(final Reader reader) {
        assertArgumentNotNull("reader", reader);

        byte[] header = buildHeader(NtStatus.NT_STATUS_INVALID_PARAMETER);
        byte[] body = buildErrorBody(2, 3, new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC });
        byte[] packet = new byte[header.length + body.length];
        System.arraycopy(header, 0, packet, 0, header.length);
        System.arraycopy(body, 0, packet, header.length, body.length);

    }

    /**
     * Wraps exception handling for {@link Properties#load(Reader)}.
     * <p>
     * The input reader is not closed.
     * </p>
     *
     * @param props the property set (must not be {@literal null})
     * @param reader the input reader (must not be {@literal null})
     */
    public static void load(final Properties props, final Reader reader) {
        assertArgumentNotNull("props", props);