### Contributing

We welcome contributions! Please:
1. Fork the repository
2. Create a feature branch
3. Make your changes with appropriate tests
4. Run `mvn clean test` to ensure all tests pass
5. Submit a pull request

### License

          # A token other than the default GITHUB_TOKEN is needed to be able to trigger CI
          token: ${{ secrets.PRE_COMMIT }}
      # pre-commit lite ci needs the default checkout configs to work
      - uses: actions/checkout@v5
        name: Checkout PR for fork
        if: env.HAS_SECRETS == 'false'
        with:
        # To be able to commit it needs the head branch of the PR, the remote one
          ref: ${{ github.event.pull_request.head.sha }}

                <version>${error_prone_core.version}</version>
              </path>
            </annotationProcessorPaths>
            <!-- Fork because we need args like add-exports. (But see the TODO above about .mvn/jvm.config.) -->
            <fork>true</fork>
          </configuration>
          <executions>
            <execution>
              <id>default-compile</id>
              <configuration>

These issues are more complex and might be challenging for first-time contributors.

You can share your interest in fixing the issue by commenting on it.
If somebody shared their interest in the issue, please consider letting them work on it.
However, if there are no changes for more than a week, it's safe to assume that the issue is up for grabs.
There is no need to ask for an assignment or for permission to work on those issues, just comment and start working on it.

## Key Features

- **Smart Query Suggestions**: Real-time auto-completion and search suggestions
- **Multi-language Support**: Built-in support for Japanese text processing with Kuromoji analyzer
- **Popular Words Analytics**: Track and analyze frequently searched terms
- **Flexible Text Processing**: Configurable converters and normalizers for text transformation

- **DI**: LastaFlute container with `@Resource` and XML config

### Core Principles

**Thread Safety**: `AtomicLong` for counters, `volatile` for status flags, synchronized blocks, thread-local storage via `CrawlingParameterUtil`

**Resource Management**: `AutoCloseable` throughout, `DeferredFileOutputStream` for large responses, connection pooling, background temp file deletion via `FileUtil.deleteInBackground()`

- **Switch Expressions** - Optimized implementations using switch expressions for better performance
- **Sequenced Collections** - Full support for Java 21 sequenced collections API with dedicated utility methods
- **Performance Focused** - Optimized implementations for better runtime performance with reduced memory allocation

mvn license:format
```

### Code Style

- Follow Java coding conventions
- Use proper JavaDoc comments for public APIs
- Include unit tests for new functionality
- Ensure all tests pass before submitting PR

## License

                        .collect(Collectors.toSet());
                for (BuildStep step : planSteps) {
                    MavenProject project = step.project;
                    for (Plugin plugin : project.getBuild().getPlugins()) {
                        for (PluginExecution execution : plugin.getExecutions()) {
                            for (String goal : execution.getGoals()) {

          java-version: 17
      - id: determine-sys-prop-args
        uses: actions/github-script@v8
        with:
          script: |
            if (context.payload.pull_request && context.payload.pull_request.head.repo.fork) {
                core.setOutput('sys-prop-args', '-DagreePublicBuildScanTermOfService=yes -Ddevelocity.edge.discovery=false -DcacheNode=us --scan')
            } else {
                core.setOutput('sys-prop-args', '')