declare namespace org {
    namespace spongepowered {
        namespace api {
            namespace event {
                namespace network {
                    namespace ChannelRegistrationEvent {
                        // @ts-ignore
                        interface Unregister extends org.spongepowered.api.event.network.ChannelRegistrationEvent {
                        }
                    }
                }
            }
        }
    }
}
