return Resources.asCharSource(url, Charsets.UTF_8).readLines(new LineProcessor<String[]>() {
            private final List<String> packages = new LinkedList<>();

            @Override
            public boolean processLine(@SuppressWarnings("NullableProblems") String line) throws IOException {
                packages.add(line.substring(7, line.length() - 2));
                return true;
            }

            @Override

    List<String> list =
        source.readLines(
            new LineProcessor<List<String>>() {
              List<String> list = Lists.newArrayList();

              @Override
              public boolean processLine(String line) throws IOException {
                list.add(line);
                return true;
              }

              @Override
              public List<String> getResult() {

    List<String> list =
        lines.readLines(
            new LineProcessor<List<String>>() {
              List<String> list = Lists.newArrayList();

              @Override
              public boolean processLine(String line) throws IOException {
                list.add(line);
                return true;
              }

              @Override
              public List<String> getResult() {

    }

    private void createFatJar(final File outputJar, final Iterable<? extends File> files, final ProgressLogger progressLogger) {
        classpathBuilder.jar(outputJar, builder -> processFiles(builder, files, progressLogger));
    }

    private void processFiles(ClasspathBuilder.EntryBuilder builder, Iterable<? extends File> files, ProgressLogger progressLogger) throws IOException {
        Set<String> seenPaths = new HashSet<>();

                processClassRule(action, metadata, details);
            } else {
                processRule(wrapper.getRule(), metadata, details);
            }
        }
    }

    LineProcessor<List<String>> collectAndLowercaseAndTrim =
        new LineProcessor<List<String>>() {
          List<String> collector = new ArrayList<>();

          @Override
          public boolean processLine(String line) {
            collector.add(whitespace().trimFrom(line));
            return true;
          }

          @Override
          public List<String> getResult() {
            return collector;

    LineProcessor<List<String>> collect =
        new LineProcessor<List<String>>() {
          List<String> collector = new ArrayList<>();

          @Override
          public boolean processLine(String line) {
            collector.add(line);
            return true;
          }

          @Override
          public List<String> getResult() {
            return collector;
          }

        }

        private class MetadataLineProcessor implements LineProcessor<List<String>> {
            private List<String> lines = new ArrayList<>();

            @Override
            public boolean processLine(String line) {
                int commentStart = line.indexOf('#');
                if (commentStart >= 0) {
                    line = line.substring(0, commentStart);
                }

    LineProcessor<List<String>> collectAndLowercaseAndTrim =
        new LineProcessor<List<String>>() {
          List<String> collector = new ArrayList<>();

          @Override
          public boolean processLine(String line) {
            collector.add(whitespace().trimFrom(line));
            return true;
          }

          @Override
          public List<String> getResult() {
            return collector;

    return readLines(
        url,
        charset,
        new LineProcessor<List<String>>() {
          final List<String> result = Lists.newArrayList();

          @Override
          public boolean processLine(String line) {
            result.add(line);
            return true;
          }

          @Override
          public List<String> getResult() {
            return result;
          }
        });