// Local Koin application instance
val mylocalKoinInstance = koinApplication {
    // declare used modules
    modules(
        module {
            single { ComponentA() }
        }
    )
}

// Custom KoinComponent using mylocalKoinInstance & not the Global context
abstract class CustomKoinComponent : KoinComponent {
    // override the used Koin instance to use mylocalKoinInstance
    override fun getKoin(): Koin = mylocalKoinInstance.koin

}

// An example of component that use mylocalKoinInstance
class MyCustomApp : CustomKoinComponent() {
    val a: ComponentA by inject()
}