NSRuleEditorNestingMode

Unlimited nesting and compound rows.

Allows a single list, with no nesting and no compound rows.

One compound row at the top with subrows beneath it, and no further nesting allowed.

Only a single row is allowed.

A Boolean value that determines whether the rule editor is editable.

The rule editor’s nesting mode.

A Boolean value that indicates whether all the rows can be removed.

The rule editor’s row height.