/** Read a single line counted against the header size limit. */
  fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {
    val result = Headers.Builder()
    while (true) {
      val line = readLine()
      if (line.isEmpty()) break
      result.addLenient(line)
    }

      return reader.readLine();
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  /**
   * Reads all the lines of this source as a list of strings. The returned list will be empty if
   * this source is empty.
   *
   * <p>Like {@link BufferedReader#readLine()}, this method considers a line to be a sequence of

    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(data));
    UnsupportedOperationException expected =
        assertThrows(UnsupportedOperationException.class, in::readLine);
    assertThat(expected).hasMessageThat().isEqualTo("readLine is not supported");
  }

  public void testReadLittleEndian() throws IOException {
    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(data));

        return input.readDouble();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

    @Override
    public @Nullable String readLine() {
      try {
        return input.readLine();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

    @Override
    public String readUTF() {
      try {

        ByteStreams.newDataInput(
            "This is a line\r\nThis too\rand this\nand also this".getBytes(UTF_8));
    assertThat(in.readLine()).isEqualTo("This is a line");
    assertThat(in.readLine()).isEqualTo("This too");
    assertThat(in.readLine()).isEqualTo("and this");
    assertThat(in.readLine()).isEqualTo("and also this");
  }

  public void testNewDataInput_readFloat() {

            String line = br.readLine();
            while (line != null) {
                lineNumber++;
                gatherDeadUserGuideLinksInLineReleaseNotes(sourceFile, line, lineNumber, errorsForFile);
                gatherDeadJavadocLinksInLineReleaseNotes(sourceFile, line, lineNumber, errorsForFile);

                line = br.readLine();
            }
        } catch (IOException e) {

    BufferedReader r = new BufferedReader(getChunkedReader(input, chunk));
    List<String> lines = new ArrayList<>();
    String line;
    while ((line = r.readLine()) != null) {
      lines.add(line);
    }
    r.close();
    return lines;
  }

  private static List<String> readUsingReader(String input, int chunk, boolean asReader)
      throws IOException {

        ByteStreams.newDataInput(
            "This is a line\r\nThis too\rand this\nand also this".getBytes(UTF_8));
    assertThat(in.readLine()).isEqualTo("This is a line");
    assertThat(in.readLine()).isEqualTo("This too");
    assertThat(in.readLine()).isEqualTo("and this");
    assertThat(in.readLine()).isEqualTo("and also this");
  }

  public void testNewDataInput_readFloat() {

                    new BufferedReader(new InputStreamReader(new FileInputStream(tempFile.toFile()), Constants.CHARSET_UTF_8))) {
                String line;
                while ((line = reader.readLine()) != null) {
                    lines.add(line);
                }
            }

            assertFalse("File should contain lines", lines.isEmpty());

            // Verify content structure

                new InputStreamReader(this.getClass().getClassLoader().getResourceAsStream("suggest_indices/suggest_settings.json")));) {

            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
        }
        return sb.toString().replaceAll(Pattern.quote("${fess.dictionary.path}"), dictionaryPath);
    }

    /**