List<String> list =
        lines.readLines(
            new LineProcessor<List<String>>() {
              final List<String> list = new ArrayList<>();

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

              @Override
              public List<String> getResult() {

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

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

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

        .readLines(
            new LineProcessor<List<String>>() {
              final List<String> result = new ArrayList<>();

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

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

    checkNotNull(readable);
    checkNotNull(processor);

    LineReader lineReader = new LineReader(readable);
    String line;
    while ((line = lineReader.readLine()) != null) {
      if (!processor.processLine(line)) {
        break;
      }
    }
    return processor.getResult();
  }

  /**
   * Reads and discards data from the given {@code Readable} until the end of the stream is reached.

    public <T extends @Nullable Object> T readLines(LineProcessor<T> processor) throws IOException {
      Iterator<String> lines = linesIterator();
      while (lines.hasNext()) {
        if (!processor.processLine(lines.next())) {
          break;
        }
      }
      return processor.getResult();
    }

    @Override
    public String toString() {

    String content = InputStreamUtil.getUTF8String(input);
}

// Resource traversal for processing multiple files
ResourceTraversalUtil.forEach("META-INF", (resource, is) -> {
    // Process each resource in the META-INF directory
    System.out.println("Processing: " + resource);
});
```

### Text Processing and JSON
```java
import org.codelibs.core.text.*;

// JSON utilities with proper escaping

func (in *Input) macroName() string {
	// We use the Stack's input method; no macro processing at this stage.
	tok := in.Stack.Next()
	if tok != scanner.Ident {
		in.expectText("expected identifier after # directive")
	}
	// Name is alphanumeric by definition.
	return in.Stack.Text()
}

// #define processing.
func (in *Input) define() {
	name := in.macroName()
	args, tokens := in.macroDefinition(name)

 * This callback processes file events (create, modify, delete) and manages document indexing and deletion
 * operations in the search engine. It supports recursive crawling with configurable depth and access count limits.
 *
 * <p>The implementation uses an executor service for concurrent processing of file operations and maintains

        Exception cause = new RuntimeException("Image processing error");
        ThumbnailGenerationException exception = new ThumbnailGenerationException(message, cause);

        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Image processing error", exception.getCause().getMessage());
    }

    @Test

    }

    /**
     * Hook method called during action execution.
     * This method delegates to the view helper's action hook for processing.
     *
     * @param runtime the action runtime context
     * @return the action response, or null to continue with normal processing
     */
    @Override
    public final ActionResponse godHandMonologue(final ActionRuntime runtime) {