openide/plugins/devkit/devkit-kotlin-tests/testData/inspections/simplifiableServiceRetrieving/NullableGetInstanceMethod.kt

@file:Suppress("NO_REFLECTION_IN_CLASS_PATH")

import com.intellij.openapi.application.ApplicationManager
import com.intellij.openapi.components.Service
import com.intellij.openapi.project.Project

@Service
class MyAppService {
  companion object {
    @JvmStatic
    fun getInstance(): MyAppService? = ApplicationManager.getApplication().getService(MyAppService::class.java)
  }
}

@Service(Service.Level.PROJECT)
class MyProjectService {
  companion object {
    @JvmStatic
    fun getInstance(project: Project): MyProjectService? = project.getService(MyProjectService::class.java)
  }
}

fun test(project: Project) {
  ApplicationManager.getApplication().getService(MyAppService::class.java)
  project.getService(MyProjectService::class.java)
}