Example of live template that I use to generate sealed interface with classes and objects to be used as events

1. Open live templates settings by double-Shift and entering Live template.
2. Add template group, for example _Custom
3. Add live template with next settings:

• Abbreviation: sev
• Applicable context: Top level
• Description: Sealed event

Template text:

sealed interface $NAME$Event {
 object ScreenDisplayed : $NAME$Event
 $END$
}