Incorrectly configured @EventListener methods

@Configuration @ComponentScan
open class Config

data class MyEvent(val string: String)

@Component
class LogComponent {
  @EventListener // Method annotated with @EventListener must be public
  private fun logCommands(commandName: MyEvent) {}

  @EventListener // Method must have maximum one parameter
  fun processCommand(commandName: MyEvent, text: String) {}
}