* graph.putEdge("bread", "bread");
 * graph.putEdge("chocolate", "peanut butter");
 * graph.putEdge("peanut butter", "jelly");
 *
 * // Building an immutable graph
 * ImmutableGraph<String> immutableGraph =
 *     GraphBuilder.undirected()
 *         .allowsSelfLoops(true)
 *         .<String>immutable()
 *         .putEdge("bread", "bread")
 *         .putEdge("chocolate", "peanut butter")

          try (InputStreamReader reader = new InputStreamReader(byteSource.openStream(), cs)) {
            int nRead = 0;
            while (remaining > 0 && (nRead = reader.read(buffer, bufIndex, remaining)) != -1) {
              bufIndex += nRead;
              remaining -= nRead;
            }
            if (nRead == -1) {
              // we reached EOF
              return new String(buffer, 0, bufIndex);
            }

          try (InputStreamReader reader = new InputStreamReader(byteSource.openStream(), cs)) {
            int nRead = 0;
            while (remaining > 0 && (nRead = reader.read(buffer, bufIndex, remaining)) != -1) {
              bufIndex += nRead;
              remaining -= nRead;
            }
            if (nRead == -1) {
              // we reached EOF
              return new String(buffer, 0, bufIndex);
            }

            else -> source.read(sink, limit)
          }
        }
      }

      override fun timeout(): Timeout = timeout
    }

    /**
     * Returns a value in [0..maxByteCount] with the number of bytes that can be read from [source]
     * in the current part. If this returns 0 the current part is exhausted; otherwise it has at
     * least one byte left to read.
     */

    eqCount += skipAll('='.code.toByte())
    while (true) {
      if (peek == null) {
        peek = readToken()
        if (skipCommasAndWhitespace()) break // We peeked a scheme name followed by ','.
        eqCount = skipAll('='.code.toByte())
      }
      if (eqCount == 0) break // We peeked a scheme name.
      if (eqCount > 1) return // Unexpected '=' characters.
      if (skipCommasAndWhitespace()) return // Unexpected ','.

    val result = mutableListOf<Story>()
    var i = 0
    while (true) { // break after last test.
      val storyResourceName =
        String.format(
          "/hpack-test-case/%s/story_%02d.json",
          testFolderName,
          i,
        )
      val storyInputStream =
        HpackJsonUtil::class.java.getResourceAsStream(storyResourceName)
          ?: break
      try {
        storyInputStream.use {
          val story =

      // 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;
      }
      lineBuf.add(buf, 0, read);
    }
    return lines.poll();
  }

  fun readHeaders(): Headers {
    val result = Headers.Builder()
    while (true) {
      val line = readLine()
      if (line.isEmpty()) break
      result.addLenient(line)
    }
    return result.build()
  }

                        break; // stop at next sample or end of example block
                    }

                    if (sourceLang == null) {
                        String parsed = parseSourceLang(look);
                        if (parsed != null) {
                            sourceLang = parsed;
                            break; // found the language for this sample
                        }

 * signatures.
 *
 * @param codePointLimit the number of code points to read in order to make a decision.
 */
internal fun BufferedSource.isProbablyUtf8(codePointLimit: Long = Long.MAX_VALUE): Boolean {
  try {
    val peek = peek()
    for (i in 0 until codePointLimit) {
      if (peek.exhausted()) {
        break
      }
      val codePoint = peek.readUtf8CodePoint()