Props

fun <PAYLOAD : Any> Props( payloadType: KClass<PAYLOAD>, accepts: (PAYLOAD) -> Boolean, onDrop: (PAYLOAD) -> Unit, onMouseOver: (target: Component<*>) -> Unit, onMouseOut: (target: Component<*>) -> Unit, onDragStart: (target: Component<*>) -> Unit, onDragEnd: (target: Component<*>) -> Unit, key: String?)