SpanColumnsPanelClass

Classes
class	kSpanColumnMinSpaceAfterObserverBoss
class	kSpanColumnMinSpaceBeforeObserverBoss
class	kSpanColumnsPanelObserverBoss
class	kSpanCountObserverBoss
class	kSpanDialogBoss
class	kSpanDialogHookBoss
class	kSpanDialogWidgetBoss
class	kSpanTypeObserverBoss
class	kSplitCountObserverBoss
class	kSplitInsideGutterObserverBoss
class	kSplitOutsideGutterObserverBoss