AddEffectActionObjectActionOptionsAddEffectActionObjectPropertiesactionseffecteffectsindexmashredoSelectiontypeundoSelectionactionsactions: Actionseffecteffect: Effecteffectseffects: Effect[]indexindex: numbermashmash: MashredoSelectionredoSelection: MashEditorSelectiontypetype: ActionTypeundoSelectionundoSelection: MashEditorSelection