Optionaltop: numberinset for the top edge
Optionalleft: numberinset for the left edge
Optionalbottom: numberinset for the bottom edge
Optionalright: numberinset for the right edge
clone the object
returns value of requested config option
update the insets returns true if the insets changed, false if no update was required
inset for the top edge
inset for the left edge
inset for the bottom edge
inset for the right edge
update the insets by copying from another insets objects returns true if the insets changed, false if no update was required
simple data class containing edge insets for a region