TooltipProperties

open class MyComponent : Component<Unit>, TooltipProperties by TooltipMixin()  {
//                                        ^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^
//                                        implement interface    delegate to mixin
     override fun render(/* params omitted */) {
          context.apply {
              div {
               this@MyComponent.renderTooltip.value.invoke(this) // render tooltip here
            }
          }
      }
 }

myComponent() {
     tooltip(text = "my Tooltip") { }
}

myComponent() {
 tooltip({
     color { danger.mainContrast }
     background {
         color { danger.main }
     }
 }) {
     text("first line, second line")
     placement { bottomEnd }
 }
}

myComponent() {
    tooltip("my tooltip") {}
}

myComponent() {
    tooltip("my tooltip", "second line") { placement { bottom }}
}