(Since version 0.11.0) Use Handler.create[Boolean] instead
(Since version 0.11.0) Use Handler.create[ClipboardEvent] instead
(Since version 0.11.0) Use Handler.create[DragEvent] instead
(Since version 0.11.0) Use Handler.create[T] instead
(Since version 0.11.0) Use Handler.create[KeyboardEvent] instead
(Since version 0.11.0) Use Handler.create[MouseEvent] instead
(Since version 0.11.0) Use Handler.create[Double] instead
(Since version 0.11.0) Use Handler.create[String] instead