while (matcher.find()) {
            String chunk = string.subSequence(pos, matcher.start()).toString();
            pos = matcher.end();
            if (chunk.isEmpty()) {
                continue;
            }
            if (lower && first) {
                chunk = StringUtils.uncapitalize(chunk);
                first = false;
            } else {
                chunk = StringUtils.capitalize(chunk);
            }

			chunkMax = len(s)
		}
	}

	var b Builder
	b.Grow(n)
	b.WriteString(s)
	for b.Len() < n {
		chunk := n - b.Len()
		if chunk > b.Len() {
			chunk = b.Len()
		}
		if chunk > chunkMax {
			chunk = chunkMax
		}
		b.WriteString(b.String()[:chunk])
	}
	return b.String()
}

// ToUpper returns s with all Unicode letters mapped to their upper case.

	}
	e.writeChunk(e.tmp[:3*len(p)], "PLTE")
	if last != -1 {
		e.writeChunk(e.tmp[3*256:3*256+1+last], "tRNS")
	}
}

// An encoder is an io.Writer that satisfies writes by writing PNG IDAT chunks,
// including an 8-byte header and 4-byte CRC checksum per Write call. Such calls
// should be relatively infrequent, since writeIDATs uses a [bufio.Writer].
//

          contentLength = header.substring(15).trim().toLong()
        }
        if (lowercaseHeader.startsWith("transfer-encoding:") &&
          lowercaseHeader.substring(18).trim() == "chunked"
        ) {
          chunked = true
        }
      }

      val peek = dispatcher.peek()
      for (response in peek.informationalResponses) {
        writeHttpResponse(socket, sink, response)
      }

		finalized.Store(true)
	})

	// Write three chunks worth of pointer data. Three gives us a
	// high likelihood that when we write 2 later, we'll get the behavior
	// we want.
	a := NewUserArena()
	for i := 0; i < int(UserArenaChunkBytes/goarch.PtrSize*3); i++ {
		var x any
		x = (*smallPointer)(nil)
		a.New(&x)
	}
	a.Free()

	// Recycle the arena chunks.
	GC()
	GC()

	a = NewUserArena()

		// write one chunk at a time
		for i, chunk := range strings.Split(responseHeadersAndBody, "split") {
			if i > 0 {
				n, err := hic.Write([]byte("split"))
				require.Equal(t, n, len("split"))
				require.NoError(t, err)
			}
			n, err := hic.Write([]byte(chunk))
			require.Equal(t, n, len(chunk))
			require.NoError(t, err)
		}
		assert.True(t, hic.initialized)

      .assertLogMatch(Regex("""Transfer-encoding: chunked"""))
      .assertLogEqual("<-- END HTTP (streaming)")
      .assertNoMoreLogs()
    applicationLogs
      .assertLogEqual("--> GET $url")
      .assertLogEqual("--> END GET")
      .assertLogMatch(Regex("""<-- 200 OK $url \(\d+ms\)"""))
      .assertLogEqual("Content-Type: text/event-stream")
      .assertLogMatch(Regex("""Transfer-encoding: chunked"""))

		r.blockOffset += int64(size)
		return nil
	}

	var skip []byte
	const chunk = 1 << 20 // 1M
	for size >= chunk {
		if len(skip) == 0 {
			skip = make([]byte, chunk)
		}
		if _, err := io.ReadFull(r.r, skip); err != nil {
			return r.wrapNonEOFError(relativeOffset, err)
		}
		relativeOffset += chunk
		size -= chunk
	}
	if size > 0 {
		if len(skip) == 0 {
			skip = make([]byte, size)
		}

	if !dr.scan() {
		return funcInlHeur, callsites, nil
	}
	// first line contains info about function: file/name/line
	info := dr.curLine()
	chunks := strings.Fields(info)
	funcInlHeur.file = chunks[0]
	funcInlHeur.fname = chunks[1]
	if _, err := fmt.Sscanf(chunks[2], "%d", &funcInlHeur.line); err != nil {
		return funcInlHeur, callsites, fmt.Errorf("scanning line %q: %v", info, err)
	}

		if e.nbuf < 5 {
			return
		}
		e.enc.Encode(e.out[0:], e.buf[0:])
		if _, e.err = e.w.Write(e.out[0:8]); e.err != nil {
			return n, e.err
		}
		e.nbuf = 0
	}

	// Large interior chunks.
	for len(p) >= 5 {
		nn := len(e.out) / 8 * 5
		if nn > len(p) {
			nn = len(p)
			nn -= nn % 5
		}
		e.enc.Encode(e.out[0:], p[0:nn])
		if _, e.err = e.w.Write(e.out[0 : nn/5*8]); e.err != nil {