<version>5.11.0</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.testcontainers</groupId>
			<artifactId>testcontainers</artifactId>
			<version>1.21.3</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.testcontainers</groupId>
			<artifactId>junit-jupiter</artifactId>
			<version>1.21.3</version>
			<scope>test</scope>
		</dependency>

			<groupId>org.apache.ftpserver</groupId>
			<artifactId>ftpserver-core</artifactId>
			<version>1.1.1</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.testcontainers</groupId>
			<artifactId>testcontainers</artifactId>
			<version>2.0.2</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.mockito</groupId>
			<artifactId>mockito-core</artifactId>

- **Repo**: https://github.com/codelibs/fess-crawler

### Tech Stack

- **HTTP**: Apache HttpComponents 4.5+ and 5.x (switchable)
- **Extraction**: Apache Tika, POI, PDFBox
- **Testing**: JUnit 4, UTFlute, Mockito, Testcontainers
- **Storage**: In-memory (default), OpenSearch (optional)
- **Cloud**: AWS SDK v2 (S3), Google Cloud Storage

### Protocols

- **Build System**: Maven 3.x
- **DI Container**: LastaFlute DI
- **HTTP Client**: Apache HttpComponents
- **Content Extraction**: Apache Tika, Apache POI, PDFBox
- **Testing**: JUnit 4, UTFlute, Testcontainers
- **Storage Backends**: OpenSearch, Memory-based

## Quick Start

### Prerequisites

- Java 21 or higher
- Maven 3.6 or higher

### Installation

Add the following dependency to your `pom.xml`:

  testImplementation(libs.junit.jupiter.params)
  testImplementation(libs.junit.jupiter.engine)
  testImplementation(libs.assertk)
  testImplementation(libs.testcontainers)
  testImplementation(libs.mockserver)
  testImplementation(libs.mockserver.client)
  testImplementation(libs.testcontainers.junit5)

square-okio-fakefilesystem = { module = "com.squareup.okio:okio-fakefilesystem", version.ref = "square-okio" }
testcontainers = { module = "org.testcontainers:testcontainers", version.ref = "testcontainers" }
testcontainers-junit5 = { module = "org.testcontainers:junit-jupiter", version.ref = "testcontainers" }
square-zstd-kmp-okio = { module = "com.squareup.zstd:zstd-kmp-okio", version.ref = "zstd-kmp-okio" }

# Build Logic Dependencies

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testcontainers.containers.GenericContainer;
import org.testcontainers.containers.output.Slf4jLogConsumer;
import org.testcontainers.containers.wait.strategy.Wait;
import org.testcontainers.junit.jupiter.Container;
import org.testcontainers.junit.jupiter.Testcontainers;
import org.testcontainers.utility.MountableFile;

import jcifs.CIFSContext;
import jcifs.Configuration;

    types: [opened, labeled, unlabeled, synchronize]

permissions:
  contents: read

env:
  GRADLE_OPTS: "-Dorg.gradle.jvmargs=-Xmx4g -Dorg.gradle.daemon=false -Dkotlin.incremental=false"

jobs:
  test_containers:
    permissions:
      checks: write # for actions/upload-artifact
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/master' || contains(github.event.pull_request.labels.*.name, 'containers')

    steps:

import java.util.Set;

import org.junit.Test;

/**
 * @author higa
 */
public class CaseInsensitiveSetTest {

    /**
     * @throws Exception
     */
    @Test
    public void testContains() throws Exception {
        final Set<String> set = new CaseInsensitiveSet();
        set.add("one");
        assertThat(set.contains("ONE"), is(true));
    }

  public void testColumnKeySet() {
    assertEquals(ImmutableSet.of(), INSTANCE.columnKeySet());
  }

  public void testColumnMap() {
    assertEquals(ImmutableMap.of(), INSTANCE.columnMap());
  }

  public void testContains() {
    assertFalse(INSTANCE.contains('a', 1));
  }

  public void testContainsColumn() {
    assertFalse(INSTANCE.containsColumn(1));
  }

  public void testContainsRow() {