javafx.scene.control.Dialog

is imported to:

.   bluej
.   bluej.collect
.   bluej.debugmgr
.   bluej.editor.moe
.   bluej.extmgr
.   bluej.pkgmgr
.   bluej.prefmgr
.   bluej.utility
.   bluej.utility.javafx
.   bluej.utility.javafx.dialog
.   greenfoot.guifx
.   greenfoot.guifx.classes