How do you add Lombok to a Gradle project?

Gradle uses the compileOnly and annotationProcessor configurations together for Lombok — compileOnly makes the annotations available while writing code, and annotationProcessor tells Gradle to actually run Lombok during compilation to generate the boilerplate.

dependencies {
    compileOnly 'org.projectlombok:lombok:1.18.30'
    annotationProcessor 'org.projectlombok:lombok:1.18.30'

    testCompileOnly 'org.projectlombok:lombok:1.18.30'
    testAnnotationProcessor 'org.projectlombok:lombok:1.18.30'
}

Both lines are necessary: omitting annotationProcessor means the annotations compile but no code actually gets generated, resulting in "cannot find symbol" errors for methods like generated getters. The test-prefixed variants are needed separately if you use Lombok annotations in test source code too.

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