}
}

configure<CheckstyleExtension> {
  config = resources.text.fromArchiveEntry(checkstyleConfig, "google_checks.xml")
  toolVersion = version("checkstyle")

  val sourceSets = project.extensions.findByType<SourceSetContainer>()
  val main = sourceSets?.findByName("main") ?: sourceSets?.findByName("jvmMain")
  if (main != null) {
    this.sourceSets = listOf(main)
  }
}

      bnd(*bndProperties)
    }
    doLast("buildBundle", BndBuildAction(bundleExtension, this, mainSourceSet.allSource))
  }
}

val Project.sourceSets: SourceSetContainer
  get() = (this as ExtensionAware).extensions["sourceSets"] as SourceSetContainer

private val Project.kotlinOsgi: MinimalExternalModuleDependency
  get() =
    extensions
      .getByType(VersionCatalogsExtension::class.java)
      .named("libs")

            compatibilityRules.add(NullawayCompatibilityRule::class.java)
        }
    }
}

project.plugins.withType<JavaBasePlugin> {
    project.extensions.getByName<SourceSetContainer>("sourceSets").configureEach {
        val isMainSourceSet = (name == "main")

        val extension = this.extensions.create<ErrorProneSourceSetExtension>(
            "errorprone",

            task.getExcludedPackages().convention(excludedPackages);
        });
        SourceSetContainer sourceSets = project.getExtensions().getByType(SourceSetContainer.class);
        sourceSets.getByName("main", main ->
            main.getOutput().dir(singletonMap("builtBy", asList(apiMapping, defaultImports)), generatedDirectory)
        );