OptionalbackdropPolicy?: WindowBackdropPolicyPatchBackdrop policy overrides on top of the preset.
Optionalbehavior?: WindowPopupBehaviorPatchBehavior overrides on top of the preset.
Optionalprofile?: WindowPopupProfileBehavior preset; omitted, none.
Options of
ui.createPopup: the declared parameters, with the preset and the two override objects typed.